Question # 1

Cockroach excrete nitrogenous wastes it the form

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Ammonia

Urea

Uric Acid

Allantioin

Maximum speed of nerve impulse transmission is

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100 m/s

110 m/s

120 m/s

130 m/s

When will call embryo a fetus.

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After 2 months

After 3 moths

After 5 moths

After 4 months

Towards the end of pregnancy, the reduction in progesterone level, stimulates pituitary gland to produce.

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Oxytocin

Oestrogen

Androgen

Pro lectin

The amount of energy left plants have met their respiratory needs is net eprimary production , which shows up as plant:

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Respiration rate

Photosynthesis

Biomass

Food reserve

In human only one ovum is usually discharged from the ovary at one time this phenomenon is called

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Ovulation

Menstruation

Oestrous

Apomixes

The disease caused due to destruction of adrenal cortex is.

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Cushing

Diabetes

Addison

Alzheimer

It is estimated that human genome could take an encyclopaedia of 200 volumes each with

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10 pages

100 pages

1000 pages

10,000 pages

The uterine layer which is shed with each monthly cycle is:

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Endometrium

Perimetrium

Tunica albuginea

Myometrium

O blood has neither A or B antigen but it does have

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Anti - A antibodies

Anti - B antibodies

Anti - O antibodies

Both a & b

Archaebacteria tolerate temperatures up to

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10^oC

40^oC

67^oC

120^oC

Cystic fibrosis patients lack a gene that codes for trans membrane carrier of.

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Chloride ion

Calcium ion

Sodium ion

Magnesium ion

The corpus luteum is formed at the site of

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Fertilization

Ovulation

Mensturation

Implantation

The human embryo is referred to as the fetus from beginning of.

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3rd month

3rd week

6th months

6th week

The autosomal non disjunction in man in which 21st pair of chromosome fail to segregate resulting in gametes with 24 chromosomes is.

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Down's syndrome

Klinfilter syndrome

Turner's syndrome

Jacob's syndrome

Which is not a biotechnology product.

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Hepatitis B

Tissue plasminogen activator

Human growth hormone

Hemophilia factor I

ABO Blood group system in man is encoded by a oolvmorohic gene I on chromosome.

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7

9

10

23

The perennial plants are bushes or cacti with large shallow root systems in

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Grassland

Deserts

Tundra

Taiga

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