Question # 1

Cisternae are associated with

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Mitochondria

Chloroplast

ER

Nucleus

Female gametophyte in flowering plants is

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Ovary

Archegonium

Seed

Embryo sac

The Casparian strips are present in

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Cortex cells of roots

Endodermal cells of roots

Cells of xylem

Cellf of phloem

The part of flower which develops into fruit is

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Flower

Seed

Ovule wall

Ovary

Cysts are dormant, thick, walled, desiccation resistant forms and develop during.

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Late stage of cell growth

Differentiation of vegetative cells

Differentiation of reproductive cells

During conjugation

Cell membrane has 60-80 %

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Lipids

Vitamins

Proteins

Carbohydrates

All living organisms are formed of basic units called

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Atoms and sub-atomic particles

Cells

Tissues

Organs

The process of taking in food is.

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Digestion

Ingestion

Assimilation

Absorption

Parietal cells of linings of human stomach secrete.

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Mucus

Pepsinogen

Gastrin

Hydrochloric acid

In sponges the food enters the spongocoel cavity called.

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Globules

Gemmules

Endosperm

Ostia

When flagella surround the whole cell, the condition is called

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Peritrichous

Atrichous

Amphitrichous

None of above

The compound which take part in urea cycle is

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Adenine

Guanine

Citruline

Thymine

Which pair of chromosome fails to segregate in down's syndrome.

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7th

15th

19th

21st

A respiratory protein which is present i all aerobic organism is.

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Haemoglobin

Cytochrome

Myoglobin

Cytochrone c

The condition in which biennial and perennial plants are stimulated to flower by exopod to low temperature is called.

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Photoperioclism

Vernalization

Apomixis

Partheiogenesis

If the amount of adenine in DNA of a bacterial cell is 36% of the total nitrogenous bases, what will be the amount of guanone in the DNA of a cell in next generations:

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14 %

28 %

36 %

64 %

Which statement defines the net primary production in an ecosystem over a given time period?

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The total amount of organic matter in the plants in excess of that used in respiration

The total amount of organic matter used in respiration by all the organisms present

The total amount of photosynthesis product from all plants

The total amount of organic matter in all organisms present

The internal hydrostatic pressure in plants is.

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Root

Turgor

Osmotic

Solute

Which hormone is chemically steroid .

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ADH

Corticosherone

Insulin

Thyoxine

Green colour blindness is called.

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Deiteranopia

Tritanopia

Protamptoa

colour blind

Human cells contain types of tRNA molecules.

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20

45

195

300

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

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embryo

Gray crescent

Yolk

White cytoplasm

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