Question # 1

Study of tissues is called.

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Morphology

Anatomy

Histology

Microbiology

Enzymes involved in respiration, are found in.

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Chloroplasts

Ribosome

Mitochondria

Nucleus

The larva found in echinoderms is

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Trochophore

Veliger

Bipinnaria

Planaria

The fluid filled region of the chloroplast is.

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Matrix

cisternae

Stroma

cytoplasm

The bio element which accounts 18% of total mass in human body is

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Oxygen

Hydrogen

Carbon

Nitrogen

Cotton is apure

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Cellulose

Poly saccharide

Both a and b

None of these

Thylakoid membrane are involved is ATP synthesis by a process known as.

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Photolysis

Chemiosmosis

Redox process

Glycolysis

The zygomycetes

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Have hyphae without regularly occurring cross walls

Produce motile gametes

Are haploid throughout their life

Answer a and b are both correct

The skeleton of birds is light due to.

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Extension of lungs

Air chambers

Air spaces

Air sacs

Which one is microaerophilic bacterium

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Campy lobacter

Spirochet

Mycoplasma

Vibrio comma

Sleeping sickness is spread by

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Tsetse fly

trypanosoma

Mosquito

Plasmodium

Annual rain fall in deserts is less than

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25 to 50 cm

10 to 22 cm

15 - 25 cm

20 to 40 cm

Animals excreting urea are called.

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Ammonotelic

Ureotelic

Uricotelic

Aminotelic

The category of plants that has adaptation of small and thick leaves to limit water loss is called.

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Hydrophytes

Xerophytes

Aygrophytes

Mesophytes

The pigment free area that appears at the time of fertilization is called.

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embryo

Gray crescent

Yolk

White cytoplasm

What will occur if a drug at the neuromuscular junction blocks the receptors sites on the post-synaptic membrane?

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Inhibition of Acetylchlorine release

Muscle contraction

Muscle paralysis

Release of calcium ions

G₁ is time between the end of mitosis and initiation of DNA synthesis also called as

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Pre-DNA synthesis phase

DNA synthesis phase

Post-DNA synthesis phase

None of these

Fluid secreted by sertoli cells provides sperms

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Liquid medium

Protection

Nourishment

All a,b,and c

A pesticide is a chemical which destroys agricultural

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Pests

Competitors

Crops

Both a & b

How many types of finches did Darwin collect on Galapagos Island.

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13 types

20 types

25 types

30 types

Hyponasty is caused by

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Auxin

Gibberellins

Abscisic acid

Cytokinins

A monochromat can perceive

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Three colours

Yellow colours

Only ane colour

Two colours

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