Question # 1

Nitrogen is present in:

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Carbohydrates

Protein

Nucleic acid

Lipids

The water from the soil enters into the root hairs by the process of

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Photosynthesis

Osmosis

Diffusion

Respiration

Horticulture belong to.

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Gardening

Poultry

Fishries

Modicine

Which one of the following convert protein to amino acids?

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Protease

Lipase

Both

None

Binomial nomenclature was proposed by _____________

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Linnaeus

Aristotle

Whittaker

Al Jahiz

Which one of these elements has the highest percentage in livhg organisms.

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Carbon

Hydrogen

Oxygen

Nitrogen

The Klinefelter's syndrome males have an extra .................... .chromosomes.

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Sex

Autosome

Both 1 & b

None

............. is the movement of molecule from a region of higher concentration to a region of lower concentration.

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Osmosis

Diffusion

Both

None

Prosthetic by all enzymes :

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Required by all enzymes

Loosely attached with enzymes

Proteins In nature

Tightly bound to enzyme

The bio-chemical reactions in which large molecules are synthesized is called:

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Anabolism

Catabolism

Metabolism

Enzymatic reaction

Coenzymes are small ................. molecules.

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Organic

Inorganic

Both

None

Scientists prepared human insulin by inserting the insulin gene in bacteria in:

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1970

1978

1990

2002

The organ of excetory system which makes urine after filtration of blood:

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glands

liver

lungs

kidney

Method of asexual reproduction in hydra is:

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binary fission

Budding

Fragmentation

Parthengenesis

Amount of oxygen in expired air is:

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21%

16%

0.04%

4%

____________ prevent dislocation of bones and joints.

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Ligament

Tendons

Salts

Joint

The enzyme which is used ti cut the gene of interest is:

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Endonuclease

Ligase

Amy lase

Lipase

Main role to give out air form lungs is;

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Bronchus

Bronchi

Bronchiote

Diaphragm

Hallucinogens affect on the :

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Sympathetic Nervous System

Central Nervous System

Spinal cord

Hypothalamus

Enzyme used to cut the identified gene from the total DNA of Donor organisms is.

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Endonuclease

Ligase

Restriction Endonuclease

Amylase

Genes consist of:

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DNA

RNA

mRNA

Protein

The maintenance of internal body temperature is called.

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Osmoregulation

Thermoregulation

Excretion

Guttation

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