Which one of the following cell organelles does NOT possess its o

Subject

General Knowledge

Class

NDA Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which one of the following is NOT a component of conducting tissue in plants?

  • Fibres

  • Tracheids

  • Pericycle

  • Sieve tubes


2.

Which one of the following cell organelles does NOT possess nucleic acid?

  • Nucleolus

  • Chloroplast

  • Ribosome

  • Plasma Membrane


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3.

Which one of the following cell organelles does NOT possess its own genetic material encoding proteins?

  • Ribosome

  • Nucleus

  • Mitochondria

  • Chloroplast


A.

Ribosome

Ribosomes are the molecular machines responsible for protein synthesis. It’s made out of RNA and proteins, and each ribosome consists of two separate RNA-protein complexes, known as the small and large subunits.


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4.

Which one of the following organisms has vascular tissues?

  • Cladophora

  • Penicillium

  • Marsilea

  • Anabaena


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5.

Which one of the following organisms represents the primary consumer category in an ecosystem?

  • Caterpillar

  • Crabapple tree

  • Frog

  • Sparrowhawk


6.

Spring tides refer to:

  • Greatest difference in the sea level at high and low tides.

  • Lowest difference in the sea level at high and low tides.

  • No difference in the sea level at high and low tides.

  • Counteraction of gravitational pull of the Sun to that of Moon.


7.

Which one of the following energy is stored in the links between the atoms?

  • Nuclear energy

  • Chemical energy

  • Potential energy

  • Thermal energy


8.

The light energy escaping from the Sun can be spread by:

  • A shower of rain drops

  • A plane mirror

  • A convex lens.

  • A combination of a convex lens and a concave lens.


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9.

The correct sequence of energy transfer that occurs when an apple falls to the ground is:

  • Gravitational potential energy → heat energy to air → kinetic energy → heat energy to ground and apple → sound energy.

  • Gravitational potential energy → sound energy → kinetic energy → heat energy to air → heat energy to ground and apple.

  • Gravitational potential energy → kinetic energy → heat energy to air → heat energy to ground and apple → sound energy.

  • Gravitational potential energy → kinetic energy → sound energy → heat energy to air → heat energy to ground and apple.


10.

Which one of the following minerals is used as a fuel in nuclear power stations?

  • Bauxite

  • Quartz

  • Feldspa

  • Pitchblende


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