Question # 1

A network of all the feeding relationships in an ecosystem is called.

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Food chain

Food web

Trophic level

Energy flow

Which organism is used in fermentation for the preparation of glycerol:

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Aspergillus

Saccharomyces

Bacillus

Streptococus

When the complete map of human genome was published.

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2002

2001

2005

1902

How many types of nerves are classified on the basis of property of axons?

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2

3

4

5

For gaseous exchange the leaf and young stems have in their epidermis:

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Stomata

Lenticels

Companion cell

Guard cells

Is responsible for chemical co-ordination:

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Endocrine System

Central nervous system

Peripheral Nervous System

Autonomic Nervous System

The sequence of components of a coordinate action is:

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stimulus→ receptors→ coordinator→ response→ effector

receptor→ effector→ stimulus→ receptor→ response

effector→ response→ stimulus→ effector→ receptor

stimulus→ receptor→ co-ordinator→ effector → response

An embroyologist of Scotland in 1997 produced a sheep (Dolly) from the body cell of an adult sheep is

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Lan Wilmot

Buffon

Darwin

Lamark

The location of position of ganes on chromosomes is called.

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Loci

Alleles

Phenotypes

Genotype

In introduced the idea of sterile surgery for fist time?

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Alexander Fleming

Joseph Lister

Pasteur

Aristotle

Abiotic component of ecosystem is.

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Producers

Herbivores

carnivore

Oxygen

In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is:

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grass

grasshopper

sparrow

hawk

Abiotic component of the ecosystem is.

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Producers

Consumers

Decomposers

Light

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10th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers

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