Biology Test 25

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1 and 3 only

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With reference to micro-irrigation,which of the following statements is/are correct ? 1. Fertilizer / nutrient loss can be reduced. 2. It is the only means of irrigation in dry land farming. 3. In some areas of farming,receding of ground water table can be checked. Select the correct answer using the codes given below:

Question 1/30

carbon, iron and boron

nitrogen, phosphorus and potassium

magnesium, zinc and iron

magnesium, manganese and sulphur

Question 2/30

Coral

Emerald

Ruby

Topaz

Question 3/30

inside the nucleus

near the cell membrane

on the endoplasmic reticulum

inside the vacuole

Question 4/30

Fugi

Algae

Mosses

Ferns

Question 5/30

Cow

Dog

Tiger

None of these

Question 6/30

A decrease in the supply of oxygen

Minor wear and tear of muscle fibres

The deplection of glucose

The accumulation of lactic acid

Question 7/30

the genotype for a particular characteristic

the mutation rate of the genes

whether genes are recessive or dominant

the order and location of genes on a chromosome

Question 8/30

Ernest Hackle

Walter Fleming

Schwann

Schleiden

Question 9/30

UAACAGGU

ATTGTCCA

TAACAGGT

None of the above are correct

Question 10/30

Simple lipid

Chromolipids

Steroid

Phospholipids

Question 11/30

Down’s syndrome and Klinefelter’s syndrome

Turner’s syndrome and Klinefelter’s syndrome

Down’s syndrome and Cri-du-chat syndrome

Down’s syndrome and Turner’s syndrome

Question 12/30

Trypsin

Gastrin

Ptyalin

Pepsin

Question 13/30

Hole in ozone layer

Decrease in the ozone layer in troposphere

Decrease in thickness of ozone layer in stratosphere

Increase in the thickness of ozone layer in troposphere

Question 14/30

1 only

2 and 3 only

1 and 3 only

1,2 and 3

Question 15/30

preying upon native species.

displacing native species.

competing with native species for resources.

doing all of the above.

Question 16/30

Variable

Alkaline

Neutral

Acidic