Question # 1

The characters which are passed from parents to off spring.

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Environmental characters.

Naturla characters

Non -inheritable characters.

Hereditary characters.

A student pushes against a tree with a force of 10 newtons. The tree does not move. What is the amount of force exerted by the treen on the student.

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0

5 N

10 N

20 N

Which type of image is formed in Plane Mirror.

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Real

Real and virtual

Virtual

None of these

Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment.

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Hydrogen

Iodine

Oxygen

Nitrogen

Cleaning of ...... by artificial method is called dialysis.

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Water

Urine

Acid

Blood

Physical exploration of space is conducte both by human spaceflights and.

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Telescope

Robitic spacecraft

Rocket

Spectroscope

DNA is called.......... material.

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Hereditary

Plasma

Meiotic

Chromatic

Hubble telescope orbits the Earth at a height of about.

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550 km

560 km

500 km

600 km

The DNA molecule consists of ............ strands.

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Two

Three

Four

Five

During interphase.............. in the nucleus are duplicated.

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DNA

Gametes

Cytokinesis

Chromosomes

The nearest star after the Sun is.

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Rigel

Sirius

Aldebaran

Proxima Centaure

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