Question # 1

Endosymbiont hypothesis explains origin of.

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cell

Prokaryotic cell

Eukaryotic cell

Ribosome

Endangered species of plants have been recorded to more than.

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300

500

600

800

A bone is ot a part of pelvic girdle.

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Tillum

Ischium

Humerus

Pubis

Identical twins result from the fertilization of:

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One ovum by the sperm

One ovum by the two sperms

Two ova by two sperms

Two ova by one sperm

Fresh water ecosystem covers less than

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7%

5%

3%

1%

Every 200 nucleotides the DNA duplex is coiled around a core of eight histone proteins forming a complex known as a

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Histomone

Nucleosome

Peroxisome

Glyoxisome

Which light enhance cell division and retards cell enlargment.

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Red

Green

Blue

Violet

The genetic code for glycine is.

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UAG

GAU

GUA

GGU

Kohler used chimpanzee to prove

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Habituation

Imprinting

Insight learning

Latent learning

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

Hypophosphatemic rickets is an _________ trait.

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X - Linked

Y -Linked

X- and Y linked

An autosomal

The stabbing pain in leg is

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Arthritis

Herniation

Sciatica

Spondylosis

A monochromat can perceive

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Three colours

Yellow colours

Only ane colour

Two colours

Temperature around 4^oC stimulates the production of.

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Florigen

Vernalin

Ethene

Auxins

Germ cells in the ovary produce many

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Spermatogonia

Zoospores

Zygospores

Oogonia

Activation of sweat glands to produce sweat from evaporative cooling is a type of adaptation.

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Structural

Physiological

Behavioural

None of these

Which organ is the central station of Metabolism.

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Liver

Kidney

Spleen

Skin

Cucumber, tomato, garden pea, maize, cotton are example of.

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Short day plant

Day natural plant

Long day plant

Night natural plant

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