Question # 1

Hepatic and pancreatic secretions in man are stimulated by

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Gastrin

Secretin

ADH

Adrena line

The first in the Krebs cycle is the union of acetyl CoA with Oxaloacetate to form.

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Citrate

Fumarate

succinate

Acetate

Magnesium of chlorophyll is replaced in hemoglobin by.

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Calcium

Iron

Potassium

Phosphorus

Photosynthesis II has the form of chlorophyll a which absorb best light of

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670 nm

680 nm

690 nm

700 nm

The largest invertebrate animal is

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Cuttle fish

Octopus

Glant squid

Dhysalia

Gram negaive cell wall has

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Only lipids

Only protein

More lipids and less protein

Less lipids and more protein

Helical shape of polypeptide is due to presence within molecule.

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Covalent bond

Hydrogen bond

Peptide bond

disulphide bond

Which is the following is lipid.

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Chitin

Rubber

starch

Sucrose

From one pyruvate passing through Krebs cycle how many FADH2 molecules are formed.

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01

02

03

04

Plastocyanin protein contains.

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Iron

copper

Potassium

Magnesium

Unicellular yeasts reproduce by.

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Spores

Binary fission

Budding

Fragmentation

If all members of a population are homozygous for the same allele that allele is said to be

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Multiple allele

Jumping gene

Fixed in the gene

Perfect gene

Commonly used restriction enzyme is

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Ecor4

Eco R3

EcoR2

EcoR1

Bundle caps in sunflower stem, are formed by

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Sclerenchyma

Parenchyma

Mesenchyma

Collenchyma

A condition in which palatine processes of maxilla and palatine fall to fuse is.

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Microcephaly

Cleft palate

Fused palate

Osteoarthritis

Of all the excretory products, the principal one is.

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Ammonia

Urea

Uric Acid

Billrubin

A dominant plant of the deciduous forest is the

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Cactus

Acacia

euphorbia

Taxusbaccata

The chemical waste of industry is called.

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Pollution

effluent

Pollutant

Toxin

The macronutrient in biogeochemical cycle is.

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Iron

Iodine

Zinc

Calcium

Homologous structures represent.

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Convergent evolution

Analogy

divergent evolution

Functional similarity

Armadillos, the armored mammals live only in

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Africa

America

Europe

Asla

Histones are positively charged due to an abundance of the basic amino acids

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Arginine

Lysine

Both a & c

Alanine

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