Biology Test 36

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Biology Test 36

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Question 1/30
1 / -0

Directions For Questions

Meghalaya

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Nepenthes Khasiana, a rare and endangered plant is found in..

Correct

Wrong

Skipped
A
Meghalaya

Correct

Wrong

Skipped
B
Himachal Pradesh

Correct

Wrong

Skipped
C
Madhya Pradesh

Correct

Wrong

Skipped
D
Uttar Pradesh

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Solutions
Meghalaya
Question 2/30
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Directions For Questions

muscular

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Most abundant tissues of our body are?

Correct

Wrong

Skipped
A
muscular

Correct

Wrong

Skipped
B
connective

Correct

Wrong

Skipped
C
epithelial

Correct

Wrong

Skipped
D
nervous

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Solutions
muscular
Question 3/30
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Directions For Questions

Natural ecosystems are complex and not easily duplicated.

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Which of the following is a valid conclusion about the outcome of Biosphere II?

Correct

Wrong

Skipped
A
Natural ecosystems are complex and not easily duplicated.

Correct

Wrong

Skipped
B
Humans cannot live in small spaces for an extended period of time.

Correct

Wrong

Skipped
C
Closed ecoystems must be made airtight.

Correct

Wrong

Skipped
D
Small populations are more likely to go extinct.

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Solutions
Natural ecosystems are complex and not easily duplicated.
Question 4/30
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Directions For Questions

Grafting is difficult in monocot plants as they have scattered vascular bundles.

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Identify the correct statement :

Correct

Wrong

Skipped
A
The age of the plant can be determined by its height.

Correct

Wrong

Skipped
B
Healing of damaged tissue is because of the activity of sclerenchyma cells.

Correct

Wrong

Skipped
C
Grafting is difficult in monocot plants as they have scattered vascular bundles.

Correct

Wrong

Skipped
D
Because of marked climatic variations, plants growing near the sea shore do not produce annual rings.

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Solutions
Grafting is difficult in monocot plants as they have scattered vascular bundles.
Question 5/30
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Directions For Questions

hypothalamus

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The body's thermostat is in the_______.

Correct

Wrong

Skipped
A
hypothalamus

Correct

Wrong

Skipped
B
pituitary

Correct

Wrong

Skipped
C
pineal

Correct

Wrong

Skipped
D
thyroid

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Solutions
hypothalamus
Question 6/30
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Directions For Questions

Robert Hooke

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Who coined the term "cell"?

Correct

Wrong

Skipped
A
Schleiden and Schwann

Correct

Wrong

Skipped
B
Robert Hooke

Correct

Wrong

Skipped
C
James Watson

Correct

Wrong

Skipped
D
Dr. Bowker

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Solutions
Robert Hooke
Question 7/30
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Directions For Questions

Platyhelminthes

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Which one of the following animal phyla does not possess a coelom?

Correct

Wrong

Skipped
A
Platyhelminthes

Correct

Wrong

Skipped
B
Annelida

Correct

Wrong

Skipped
C
Mollusca

Correct

Wrong

Skipped
D
Echinodermata

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Solutions
Platyhelminthes
Question 8/30
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Directions For Questions

phosphoglycerate and phosphoglycolate are produced

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When Rubisco acts as an oxygenase..

Correct

Wrong

Skipped
A
phosphoglycerate and phosphoglycolate are produced

Correct

Wrong

Skipped
B
phosphoenolpyruvate (PEP) is oxidized

Correct

Wrong

Skipped
C
net carbon fixation is enhanced

Correct

Wrong

Skipped
D
it must mean that the plant is deprived of CO2

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Solutions
phosphoglycerate and phosphoglycolate are produced
Question 9/30
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Directions For Questions

phosphoenolpyruvate carboxylase reduces CO2 to make malic acid

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In Crassulacean Acid Metabolism (CAM) plants :

Correct

Wrong

Skipped
A
phosphoenolpyruvate carboxylase reduces CO2 to make malic acid

Correct

Wrong

Skipped
B
stomata open only during the day

Correct

Wrong

Skipped
C
vascular tissue is surrounded by a bundle sheath

Correct

Wrong

Skipped
D
rubisco is activated only at night

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Solutions
phosphoenolpyruvate carboxylase reduces CO2 to make malic acid
Question 10/30
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Directions For Questions

capitalized but not printed distinctively, italicized, or underlined

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Scientific names higher than genus are

Correct

Wrong

Skipped
A
capitalized but not printed distinctively, italicized, or underlined

Correct

Wrong

Skipped
B
italicized or underlined

Correct

Wrong

Skipped
C
capitalized and italicized or underlined

Correct

Wrong

Skipped
D
italicized or underlined with the first word capitalized

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Solutions
capitalized but not printed distinctively, italicized, or underlined
Question 11/30
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Directions For Questions

Aa × aa

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If a cross between two individuals produces offsprings with 50% dominant character (A) and 50% recessive character (a) the genotype of parents are ?

Correct

Wrong

Skipped
A
Aa × aa

Correct

Wrong

Skipped
B
Aa × Aa

Correct

Wrong

Skipped
C
AA × aa

Correct

Wrong

Skipped
D
AA × Aa

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Solutions
Aa × aa
Question 12/30
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Directions For Questions

Bio-catalyst

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Engyme is a -

Correct

Wrong

Skipped
A
Vitamin

Correct

Wrong

Skipped
B
Bacterium

Correct

Wrong

Skipped
C
Bio-catalyst

Correct

Wrong

Skipped
D
Virus

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Solutions
Bio-catalyst
Question 13/30
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Directions For Questions

Kinetochore

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Centromere contain a disc shaped protein _______________ to which the spindle fibers are attached.

Correct

Wrong

Skipped
A
Chiasmata

Correct

Wrong

Skipped
B
Pellicle

Correct

Wrong

Skipped
C
Kinetochore

Correct

Wrong

Skipped
D
Perkin’s Aniline

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Solutions
Kinetochore
Question 14/30
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Directions For Questions

mitochondria

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The cells of seaweed which actively absorb iodide ions from sea water would be expected to have large numbers of :

Correct

Wrong

Skipped
A
chloroplasts

Correct

Wrong

Skipped
B
mitochondria

Correct

Wrong

Skipped
C
ribosomes

Correct

Wrong

Skipped
D
vacuoles.

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Solutions
mitochondria
Question 15/30
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Directions For Questions

Unripe Fruits

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Opium is obtained from which part of the poppy plant?

Correct

Wrong

Skipped
A
Unripe Fruits

Correct

Wrong

Skipped
B
Flower

Correct

Wrong

Skipped
C
Leaves

Correct

Wrong

Skipped
D
Roots

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Solutions
Unripe Fruits
Question 16/30
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Directions For Questions

Spraying hormones on flowers

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It is possible to produce seedless tomato fruits by

Correct

Wrong

Skipped
A
Applying trace elements in tomato fields

Correct

Wrong

Skipped
B
Spraying mineral solution on plants

Correct

Wrong

Skipped
C
Spraying hormones on flowers

Correct

Wrong

Skipped
D
Applying fertilizers containing radioactive elements

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Solutions
Spraying hormones on flowers
Question 17/30
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Directions For Questions

Carbohydrates are minimum

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out of proteins, lipids and carbohydrates present in a cell membrane, what is true?

Correct

Wrong

Skipped
A
Lipids are maximum

Correct

Wrong

Skipped
B
Carbohydrates are minimum

Correct

Wrong

Skipped
C
Carbohydrates are maximum

Correct

Wrong

Skipped
D
All three are in equal proportion

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Solutions
Carbohydrates are minimum
Question 18/30
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Directions For Questions

Riboflavin

...view full instructions

What is the other name for Vit. B2?

Correct

Wrong

Skipped
A
Haemoglobin

Correct

Wrong

Skipped
B
Dextrose

Correct

Wrong

Skipped
C
Thiamine

Correct

Wrong

Skipped
D
Riboflavin

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Solutions
Riboflavin
Question 19/30
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Directions For Questions

deductive reasoning

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Using general principles to analyze specific cases is called

Correct

Wrong

Skipped
A
artificial selection

Correct

Wrong

Skipped
B
natural selection

Correct

Wrong

Skipped
C
deductive reasoning

Correct

Wrong

Skipped
D
inductive reasoning

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Solutions
deductive reasoning
Question 20/30
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Directions For Questions

Centrosome

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Nerve cell does not divide because they do not have:

Correct

Wrong

Skipped
A
Nucleus

Correct

Wrong

Skipped
B
Centrosome

Correct

Wrong

Skipped
C
Golgi body

Correct

Wrong

Skipped
D
Mitochondria

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Solutions
Centrosome
Question 21/30
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Directions For Questions

The inhaled CO has much higher affinity for haemoglobin as compared to oxygen

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Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What cause this condition ?

Correct

Wrong

Skipped
A
When inhaled into the human body,CO is converted into CO2

Correct

Wrong

Skipped
B
The inhaled CO has much higher affinity for haemoglobin as compared to oxygen

Correct

Wrong

Skipped
C
The inhaled CO destroys the chemical structure of haemoglobin.

Correct

Wrong

Skipped
D
The inhaled CO adversely affects the reapiratory centre in the brain

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Solutions
The inhaled CO has much higher affinity for haemoglobin as compared to oxygen
Question 22/30
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Directions For Questions

Vacuole

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Which is a dumping site for the cell?

Correct

Wrong

Skipped
A
Mitochondria

Correct

Wrong

Skipped
B
Cloroplast

Correct

Wrong

Skipped
C
Centrosome

Correct

Wrong

Skipped
D
Vacuole

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Solutions
Vacuole
Question 23/30
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Directions For Questions

Fructose

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The major component of honey is

Correct

Wrong

Skipped
A
Glucose

Correct

Wrong

Skipped
B
Sucrose

Correct

Wrong

Skipped
C
Maltose

Correct

Wrong

Skipped
D
Fructose

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Solutions
Fructose
Question 24/30
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Directions For Questions

All of the above

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Photo-oxidation is ?

Correct

Wrong

Skipped
A
Photolysis

Correct

Wrong

Skipped
B
Light and oxygen induced break-down

Correct

Wrong

Skipped
C
Photorespiration

Correct

Wrong

Skipped
D
All of the above

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Solutions
All of the above
Question 25/30
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Directions For Questions

Skin

...view full instructions

Ancylostoma effects through?

Correct

Wrong

Skipped
A
Vitamins

Correct

Wrong

Skipped
B
Blood

Correct

Wrong

Skipped
C
Hormones

Correct

Wrong

Skipped
D
Skin

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Solutions
Skin
Question 26/30
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Directions For Questions

Excretory system

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The anterior V-spot in microfilaria of Wuchereria represents?

Correct

Wrong

Skipped
A
Excretory system

Correct

Wrong

Skipped
B
Reproductive

Correct

Wrong

Skipped
C
Cervical papilla

Correct

Wrong

Skipped
D
Nerve ring

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Solutions
Excretory system
Question 27/30
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Directions For Questions

Both 1 and 2

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With reference to normal human beings,consider the following statements: 1. In response to the presence of HCI, secretin is produced from the duodenum. 2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids. Which of these statements is/are correct ?

Correct

Wrong

Skipped
A
only 1

Correct

Wrong

Skipped
B
only 2

Correct

Wrong

Skipped
C
Both 1 and 2

Correct

Wrong

Skipped
D
Neither 1 nor 2

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Solutions
Both 1 and 2
Question 28/30
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Directions For Questions

Muton

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Smallest segment of genetic material affected by mutation is

Correct

Wrong

Skipped
A
Muton

Correct

Wrong

Skipped
B
Exon

Correct

Wrong

Skipped
C
Cistron

Correct

Wrong

Skipped
D
Recon

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Solutions
Muton
Question 29/30
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Directions For Questions

Leaf and other chloroplast bearing plants

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Photosynthesis generally takes place in which parts of the plant?

Correct

Wrong

Skipped
A
Leaf and other chloroplast bearing plants

Correct

Wrong

Skipped
B
Steam and leaf

Correct

Wrong

Skipped
C
Roots and chloroplast bearing plants

Correct

Wrong

Skipped
D
Bark and leaf

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Solutions
Leaf and other chloroplast bearing plants
Question 30/30
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Directions For Questions

Xeropytes

...view full instructions

Plants developing in dry condition are ?

Correct

Wrong

Skipped
A
Lithophytes

Correct

Wrong

Skipped
B
Hydrophytes

Correct

Wrong

Skipped
C
Mesophytes

Correct

Wrong

Skipped
D
Xeropytes

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Solutions
Xeropytes

Question 1/30

Meghalaya

Himachal Pradesh

Madhya Pradesh

Uttar Pradesh

Question 2/30

muscular

connective

epithelial

nervous

Question 3/30

Natural ecosystems are complex and not easily duplicated.

Humans cannot live in small spaces for an extended period of time.

Closed ecoystems must be made airtight.

Small populations are more likely to go extinct.

Question 4/30

The age of the plant can be determined by its height.

Healing of damaged tissue is because of the activity of sclerenchyma cells.

Grafting is difficult in monocot plants as they have scattered vascular bundles.

Because of marked climatic variations, plants growing near the sea shore do not produce annual rings.

Question 5/30

hypothalamus

pituitary

pineal

thyroid

Question 6/30

Schleiden and Schwann

Robert Hooke

James Watson

Dr. Bowker

Question 7/30

Platyhelminthes

Annelida

Mollusca

Echinodermata

Question 8/30

phosphoglycerate and phosphoglycolate are produced

phosphoenolpyruvate (PEP) is oxidized

net carbon fixation is enhanced

it must mean that the plant is deprived of CO2

Question 9/30

phosphoenolpyruvate carboxylase reduces CO2 to make malic acid

stomata open only during the day

vascular tissue is surrounded by a bundle sheath

rubisco is activated only at night

Question 10/30

capitalized but not printed distinctively, italicized, or underlined

italicized or underlined

capitalized and italicized or underlined

italicized or underlined with the first word capitalized

Question 11/30

Aa × aa

Aa × Aa

AA × aa

AA × Aa

Question 12/30

Vitamin

Bacterium

Bio-catalyst

Virus

Question 13/30

Chiasmata

Pellicle

Kinetochore

Perkin’s Aniline

Question 14/30

chloroplasts

mitochondria

ribosomes

vacuoles.

Question 15/30

Unripe Fruits

Flower

Leaves

Roots

Question 16/30

Applying trace elements in tomato fields

Spraying mineral solution on plants

Spraying hormones on flowers

Applying fertilizers containing radioactive elements