Question # 1

Chimpanzee had the chromosomes

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48

46

36

12

One of the accessory photosynthetic pigments carotenes are mostly.

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Green to yellow

Red to orange

Yellow to Orange

Orange and Red

Lactose is a

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Mono saccharides

Oli saccharides

Poly saccharides

Pectin

80% of food of sponges consists of.

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Detrital organic matter

algae

Phytoplankton

Zooplankton

Curved or comma shaped bacteria are called.

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Vibrio

spirillum

Spirochetes

Bacli

In root nodules bacteria convert nitrogen into.

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Ammonia

Nitrate

Urea

Nitrite

The larvae such as bipinnarial and brachloria develop in members of phylum

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Cnidaria

Mollusca

Echinodermata

Annelida

In fungi, asexual reproduction takes place by

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Conidia

fragmentation

Budding

All of the above

A single mycelium may produce upto a kilometers of new hyphae in only.

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One day

Three days

Five days

Fifteen days

E-coli of fungi are the

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Rusts

Brown mold

Green mold

Yeasts

Which one is the structure of respiratory system of man.

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Larynx

Syrinx

Esophagus

duodenum

Most efficient way of supporting the body is seen.

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Fishes

Aves

Reptiles

Mammals

Human skin colour is controlled by gene pairs.

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Two to four

Three to six

Four to six

Six to ten

In hershey & chase experiment, 32p labeled bacteriophages allowed to infect the becteria.During analysis 32 p activity wa detected:

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In culture medium

On the surface of becterial cell

Inside the becteiral cell

Both a and B

The tumours which are of small size and localized are

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Bengin

Malignant

Gentle

Nasty

Which of the following is common in all neurons?

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A cell body which contains a nucleus

A thick myelin sheath

Presence of nodes of Ranvier

Presence of Schwann cells

Lithosphere includes.

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Air

Water

Gases

Earth soil

Who proposed the term 'Niche' in ecology.

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Haeckel

Grinnell

Elton

Darwin

Which trait is transmitted directly from an affected father to only his sons.

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X - linked

Y - Linked

x and y linked

Autosomal

At the distal end the femur forms knee joint with the proximal end of two parallel bones called

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Tibia and fibula

Radius & ulna

Carpals & metacarpals

Tarsal & metatarsal

From beginning of the third month of pregnancy's, the human embryo is referred to as the.

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Foetus

Neonate

Placenta

Young one

Trial and error learning has no role in

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Operant learning

Classical conditioning

Insight

Imprinting

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