Question # 1

Which one belongs to actinospores.

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Trypanosoma

Plasmodium

Vorticella

Radiolarians

Van Niel hypothesized that source of oxygen during photosynthesis is.

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Water

NADP

Chlorophyll

Carbon di oxide

An outer flexible covering of ciliates is.

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Cell wall

Pellicle

Sheath

Cuticle

In human body percentage of nitrogen accounts for.

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1%

2%

3%

10%

An example of beautful and delicate sponge called venus flower basket is.

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sycon

Leucoselenla

Euplectella

spongilla

Which of the following is not presenting protists.

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Flagella

Embryo

Cilla

None of these

Glyosidic bond is a

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C- N Linkage

C - O Linkage

N - H Linkage

C - H Linkage

Haem portion of hemoglobin is same to porphyrin ring with a difference of.

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Carbon atom

Hydrogen atom

Iron atom

Oxygen atom

Chlorophyll 'a' of photosystem I absorbs maximum light of.

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670 nm

700 nm

680 nm

690 nm

The volume of air taken inside the lungs and expelled during exercise is about

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2.5 liters

3.5 liters

4.5 liters

1.5 liters

Bacteriophage replicates only in ____________ cells.

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Animal

Plant

Bacteria

None of these

CNS is composed of

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Sensory neuron

Associative neuron

Dendrites

Motor neuron

Oxygen carryiing capacity of blood does not depend upon:

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Particle pressure of CO₂

Particle pressure of O₂

Height from sea level

Quantity of blood

If the condon consisted of only two nucleotides, there would be how many possible condons?

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4

8

₂₀

16

Which prosess is characterized by movement and rearrangement of cells in the embryo

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Blastulation

None of these

Neurulation

Gastrulation

The number of sets of microtubules originate from each pair of centriole is.

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03

04

05

06

Fibroblasts and osteoblasts migrate into the fracture site and begin to construct

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Bone

Cartilage

Muscle

Joint

The autosomal non disjunction in man in which 21st pair of chromosome fail to segregate resulting in gametes with 24 chromosomes is.

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Down's syndrome

Klinfilter syndrome

Turner's syndrome

Jacob's syndrome

The chemical waste of industry is called.

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Pollution

effluent

Pollutant

Toxin

Antidiuretic hormone is also called

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Oxytocin

ACTH

Vasopressin

Both a & b

Selective weed killer

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2-4 D

I AA

NAA

IPA

The average rain fall in temperate deciduous forest is between

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600-1500 mm

650 -1500 mm

750-1500 mm

700 -1500 mm

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