Question # 1

Frog has two eyes, each of which has

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Two eyelids

Three eyelids

One eyelid

No eyelid

Micro filaments are made of:

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Tubulin protein

Lipids

Carbohydrates

Actin protein

The scientific study of animals is called.

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Physics

Chemistry

Biology

Farming

Transmission electron microscope gives ............ images.

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1D

2D

3D

All

A membrane-bounded disc is formed in plant cell to divide cytoplasm, this is called:

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Chloroplast

Phragmoplast

Leucoplast

Chromoplast

One complete cardiac cycle takes ......... second .

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0.2 sec

0.5 sec

0.8 sec

0.9 sec

................ is outermost, semi rigid and non-living boundary of plants cell.

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Cell memebrane

Cell wall

Nucleus

Protoplasm

Exchange of water vapours and gases occurs in leaf through:

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Stomata

Epidermics

Xylem

Phloem

The cells used for secretion of hormones are:

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Muscles cells

Nerve cells

Grand cells

RBCs

The air enters the leaf through __________

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Pits

Stomata

Mesophyll

Xylem vessels

Prosthetic groups are:

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Required by all enzymes

Loosely attached with enzymes

Proteins in nature

Tightly bound to enzyme

The producers of ecosystem are:

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fungi

bacteria

green plants

man

In some parts of the body many neurons cell bodies combine to make a group.

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Nerves

Tissues

Ganlion

Muscles

Antibiotics kill or stop growth of:

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Worms

Viruses

Bacteria

Yeast

E.Coli becterium was made in:

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1970 A.D

1977 A.D

1975 A.D

1980 A.D

In which of the following gaseous exchange occur through stomata?

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The leaves and young stems

Wood stems and nature roots.

Young roots

The aquatic plants

Antibiotics are used for the;

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Treatment of Viral infections

Treatment of bacterial infections

Immunization against infections

Both "a" and "b"

In propagation of peach _________ is use:

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Cutting

Grafting

Suckers

Runners

The recovery of one of paper can save how many trees.

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17

170

200

1000

The largest part of the fore brain is:

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Hypothalamus

Thalamus

Cerebelium

Celebrum

Micro organism is used for formic acid:

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Saachromyces

Bacillus

Aspergillus

Glycerol

The unit of excetory system is

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nephron

neuron

alveolus

loop of Henle

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