Question # 1

The heart of the fist is single circuit and the blood flows in

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Two direction

One direction

One and two direction

Reverse direction

Hydrogen bonds between adenine and thymine are.

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Three

Four

Five

Two

Which type of cells in human stomach secrete gastrin.

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Mucous cell

Parietal cells

Endocrine cells

Zymogen cells

Which one is a parasitic plant.

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Pitcher plant

Venus fly trap

Dodder

Sun dew

Which of the following is not a attribute on population.

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Population density

Gene frequency

Gene flow

Gene Structure

An aphid that attacks Walnut tree is being controlled biologically by.

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House

Honey bee

Mosquito

Wasp

Water is more viscous than air.

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10 times

20 times

50 times

100 times

Neries belongs to class

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Polychaeta

Hirudinea

Oligocheaeta

Crustacea

Pathway of water consisting of interconnected protoplast in root cells is called.

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Apoplast

symplast

Tonoplast

Protoplast

Bauhinia variegata is used as.

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Vegetable

Omamental

Tanning

All above

After fertilization ________ischanged into a seed.

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Fruit

Flower

Ovule

Overly

The individuals who born with abnormal organs or body parts is called.

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Malformed

Malignant

Malfunction

CNS is composed of

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Sensory neuron

Associative neuron

Dendrites

Motor neuron

Biogeography is the geographical distribution of.

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Phylum

species

Genera

Classes

Macaca mulatta is commonly known as

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Rhesus monkey

Chimpanzee

Apes

Gorilla

Fruit development without fertilization is

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Dormancy

Climacteric

Parthenocarpy

Parthenogenesis

The polymerase chain reaction was developed in 1983 by

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Kary B. Mullis

Gottlieb Haberiandt

Theodore M. Klein

Craig venter

Labour pains are induced by a hormone.

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ACTH

Oxytocin

Progesterone

Corticosteroid

In seminiferous tubules repeated division of the germinal epithelium produce

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Oogonia

Zoogonia

Ovogonia

Spermatogonia

Using the hardin-weinberg principle, which expression represents the frequency of the homo-zygous recessive genotype?

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p²

2p

q²

q

Coniferous forest located at high latitude are called.

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Alpine

Boreal

Talga

Prairies

Amino acid attachment site of tRNA is.

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G-end

2' -end

3'- end

5' -end

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