Question # 1

The most abundant and important organelle belongingto plastids are:

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Chloroplast

Chronoplast

Leucoplast

None

One molecule of glucose when broken down into CO2 H2O in aerobic respiration generates ........... ATP molecules.

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36 ATP

37 ATP

38 ATP

None of them

Fats belong to a group of substance called .............. .

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Carbohydrates

Lipid

Protein

Vitamins

Robert Hooke able to magnify thin slices of cork .......... times.

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10

20

30

40

The total number of elements in nature are.

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92

93

91

90

Binomial nomenclature was proposed by _____________

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Linnaeus

Aristotle

Whittaker

Al Jahiz

Cytokinesis in a plant cell is characterized by:

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The equal division of homologous chromosomes

A pinching off of the cell membrane to divide the cell

The formation of a cell plate in the cytoplasm

The movement of the chromosomes from the metaphase plate

A bacterial cell contains about _______________

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10,000

20,000

30,000

40,000

............... is an essential requirement of photosynthesis.

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CO2

H2O

O2

All

The word photosynthesis is a combination of two ............. words.

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Greek

Latin

German

Freech

In sparrows malaria is spread by

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Culex mosquito

Anopheles mosquito

Marshy areas

Any mosquito

Which part of flower is changed into fruit?

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Ovule

Ovary

Petals

Anther

Enzyme is used to cut the adentified gene from the total DNA of Donar organism is:

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Endonuclease

Ligase

Restriction endonuclease

Amylase

Chromatin material is made of.

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DNA

Protein

RNA

DNA and protein

Hallucinogens affect on the.

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Sympathetic Nervous system

Central Nervous system

Spinal card

Hypothalamus

A community and its biotic components is known as:

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Biosphere

Habitat

Ecosystem

Food web

The skeleton found outside the body is called:

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Endoskeleton

Exoskeleton

Hydroskeleton

Fibroskeleton

Which organ filter the blood.

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Intestine

Kidney

Stomach

Brain

James Watson and Francis Crick proposed the structure of DNA in:

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1953

1963

1933

1922

An epiphyte is an example of:

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Parasitism

Mutualism

Commensalism

Symbiosis

All herbivore animals are.

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Grass eater

Parasites

Predators

Prey

Which part of female reproductive system receives egg cells from the ovary?

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Fallopian tube

Uterus

Vegina

Collecting duct

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