Question # 1

Pulmonary veins originate from .............. .

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Liver

Lungs

Kidney

Intestine

Dalk reaction takes place in the .......... of chloroplasts.

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Grana

Strome

Intergrana

All

Nuclei of human cell contain ............ autosomes.

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23 pairs

22 pairs

12 pairs

14 pairs

One gram of lipids contains energy:

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4 kilocalories

6 kilocalories

9 kilocalories

7 kilocalories

______________ is an inorganic compound of carbon which have poor energy value.

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Glucose

ATP

CO₂

NADPH

All enzymes are composed of:

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Lipids

Carbohydrates

Proteins

Phosphates

Members of the same species living in the same place is called:

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Habitat

Biosphere

Community

Population

The light reactions of photosynthesis take place on the _____________ of chloroplasts.

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Stroma

Thylakoid membrane

Lumen

Sacs

Leukemia is a disease in which leucocytes increase ...................... .

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Normally

Abnormally

Both

None

In which kingdom would you classify unicellular eukaryotes?

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Fungi and plantae

Fungi and monera

Only protista

Only Fungi

Which is not the function of mitosis?

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Development and growth

Cell replacement and regeneration

Asexual reproduction

Sexual reproduction

Naturally found in graphite and diamond.

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Nitrogen

Oxygen

Hydrogen

Carbon

The whorl of carpels in a flower is called:

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Calyx

Corola

Androceium

Gynoecium

The type of symbiotic relationship in which one member get benefit and other is unaffected is called.

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Parasitism

Mutualism

Commensalism

Predation

An organism has two different alleles for a single trait. Its genotype is said to be:

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Homozygous

Heterozygous

Holozygous

Hemizygous

The drug used to reduce pain are known as;

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Analgesics

Antiseptics

Antibiotics

Sedatives

Which of the following drugs is obtained from plants:

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Sedative

Analgesics

Antibiotics

Vaccines

Inside testes, sperms are produced in:

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Vas deferencs

Sperm duct

Seminiferous tubules

Collecting duct

The type of symbiotic association in which partner gets benefits while ohter is neither benefited nor harmed is called.

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Commenaslism

Mutualism

Parasitism

Predation

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

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grass

grasshopper

sparrow

hawk

In________ James Watson and Francis Crick proposed the structure for DNA.

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1951

1953

1955

1957

Who developed fundamental principles of genetics?

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Lamark

Gregor mendle

Charles lyll

Charles Darwin

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