Question # 1

Earthworm is the ideal example of tubular excretory system called

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Protonephridia

Mesonephridia

Metanephridia

Prenephridia

The light which promotes germination of fern spores.

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green

Yellow

Red

White

PSC 101 has antibiotic resistance gene for.

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Tetracycline

Neomycin

Ampicillin

Ergotine

The remodeling of bone is a function of which cells?

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Chondrocytes and asteocytes

Osteoblasts and osteoclasts

Chondroblasts and osteoclasts

Chondroblasts and osteocytes

Which pair of chromosome fails to segregate in down's syndrome.

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7th

15th

19th

21st

Which of the following hormones is not released by the anterior pituitary?

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Melanocyte - releasing hormone

Gonadotropin-releasing harmone

Thyroid- stimulating hormone

Growth hormone

Discharge of egg from the ovary is called.

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Oogenesis

Ovulation

Spermatogenesis

Gametogenesis

Locus is

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Part of DNA

Position of gene

Partner of a gene

Complement of gene

MN blood group is example of

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Complete dominance

Co- dominance

Over dominance

Incomplete dominance

Immediately after fertilization, the egg undergoes a series

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Morulla

Gastrulation

Cleavage

Blastula

Joints that are held together by short fibers embedded in connective tissue.

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Fibrous joints

synovial joints

Hing joint

Cartilaginous joint

Each muscle fibre contains a large number of myofibrils having a diameter of

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1 - 2 mm

1 - 5 mm

2 - 4 mm

3 - 7 mm

Which of the following is the last structure that urine passes through duration its excretion from the body?

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Distal Tubule

Urethra

Urinary bladder

Ureter

The internal hydrostatic pressure in plants is.

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Root

Turgor

Osmotic

Solute

The plant hormone that inhibit the growth lateral shoots.

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Cytokine

Auxin

Gibberellin

Ethene

The no of chromosome in mouse is

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6

32

26

40

Expression of a trait is termed as

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Genotype

Phenotype

Dominance

Wild type

Germination of some seeds e.g. some lettuce varieties, is promoted by.

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Green light

Blue light

Red light

Violet light

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