Question # 1

Pairing of homologous chromosomes for tetrad formation starts at.

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Leptotene

Zygotene

Diplotene

Pachytene

Crossing over and random assortment of chromosomes are two significant happenings of

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Mitosis

Amitosis

Meiosis

All a,b,and c

In nature P 730 to P 660 conversion occurs in the

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Day

Dark

Evening

Dawn

Reproduction is very important to the survival of.

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Species

Individual

Population

Community

Cocklebur (Xanthium),chrysanthemum,soyabean,tobacco,strawberry are examples of

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Short day plants

Long day plants

Day-neutral plants

None of these

The inflammatory degenerative disease of joint is

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Arthritis

Sciatica

Herniation

Spondylosis

Monqolism is the other name of.

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Mongolism

Kline felter syndrome

Down's syndrome

Turner's syndrome

The study of birds is:

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Ornithology

Ichthyology

Herpetology

Entomology

Shape of the plant cell does not change greatly compared with an animal cell because it is surrounded by a rigid

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Cell membrane

Capsule

Sheath

Cell wall

Jean Baptiste Lamarck published his theory of evolution in

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1757

1809

1859

1945

median lobe of pituitary gland secretes hormone.

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Gonadotrophic hormone

Melanophore stimulating hormone

antidiuretic hormone

Somatotrophin

When haemoglobin of the blood is fully saturated with oxygen, the 100cc of blood comains

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15cc of oxygen

20cc of oxygen

25cc of oxygen

10cc of oxygen

Osteomalacia includes a number of disorders in which bones receive inadequate

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Water

Oxygen

Mineral

Blood

The number of human spinal nerves is:

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24

50

62

64

Some amoeboflagellates ingested cyanobacteria and led to the development of

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Mitochondria

Golgi apparatus

Chloroplasts

Vacuoles

Soyabean is an example of plants.

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Short day

Long day

Dary neutral

Day independent

Bowed legs and deformed pelvis are the symptoms of which disease in children.

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Rickets

Disc slip

Sciatica

Haematoma

The diameter of the skeletal muscle fibres is.

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10-80 micro meter

10-100 micro meter

10-120 micro meter

10-135 micro meter

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