Question # 1

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 trait is transmitted directly from an affected father to only his sons.

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X - linked

Y - Linked

x and y linked

Autosomal

Lichen is a symbiotic association between a fungus and.

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Gymnosperm

Angiosperm

An alga

Pterrdophyta

A dichromate can perceive two primary colours but is unable to perceive the one whose opsins are missing due to

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Metamorphosis

Transmutation

Alteration

Mutation

Secretors have dominant secretor gene 'Se' on chromosome.

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9

19

21

24

Chances for a son or daughter in human birth are:

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3:1 between son and daughter

1:3 between son and daughter

1:1 between son and daughter

None of them

According to one of the speculations life may have begun deep in the oceans in underwater hot springs called hydrothermal

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Apertures

Gaps

Vents

Outlets

Which statement defines the net primary production in an ecosystem over a given time period?

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The total amount of organic matter in the plants in excess of that used in respiration

The total amount of organic matter used in respiration by all the organisms present

The total amount of photosynthesis product from all plants

The total amount of organic matter in all organisms present

The copping of mRNA from DNA is called.

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Translation

Transduction

Transcription

Transformation

Adenine and guanine are called

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Purines

Pyrmidines

Both a & b

None of these

Blood serum containing antibodies is called.

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Plasma

Antigen

Antiserum

Immuno globulin

The main transmitter for synapses that lie outside the central nervous system is

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Adrenaline

Acetylcholine

Serotonin

Dopamine

High degree of renal failure is also called as.

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uremia

Leukemia

Anemia

Lithotripsy

The ultimate source of change is.

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Evolution

Mutation

Genetic drift

Migration

The prophase stage in which the chromosomes become visible, shorten and thick.

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Leptotene

Zygotene

Pachytene

Diphotene

Which one is parthenogenic fruit.

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Apple

Pine apple

Peach

Mango

Which one is an example of Xerophytes.

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Brassica

Rose

Cactus

Mango

The average cell cycle in human is.

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24 hours

26 hours

28 hours

30 hours

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