General Science

Two objects of different masses falling freely near the surface of moon would

  1. have same velocities at any instant
  2. have different accelerations
  3. experience forces of same magnitude
  4. undergo a change in their inertia

Rocket works on the principle of conservation of

  1. mass
  2. energy
  3. momentum
  4. velocity

An object of mass 2 kg is sliding with a constant velocity of 4 m s–1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is

  1. 32 N
  2. 0 N
  3. 2 N
  4. 8 N

A passenger in a moving train tosses a coin which falls behind him. It means that motion of the train is

  1. accelerated
  2. uniform
  3. retarded
  4. along circular tracks

The inertia of an object tends to cause the object

  1. to increase its speed
  2. to decrease its speed
  3. to resist any change in its state of motion
  4. to decelerate due to friction

A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goal keeper to

  1. exert larger force on the ball
  2. reduce the force exerted by the ball on hands
  3. increase the rate of change of momentum
  4. decrease the rate of change of momentum

Slope of a velocity – time graph gives

  1. the distance
  2. the displacement
  3. the acceleration
  4. the speed

Which of the following figures represents uniform motion of a moving object correctly?

Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10 m s–1. It implies that the boy is

  1. at rest
  2. moving with no acceleration
  3. in accelerated motion
  4. moving with uniform velocity

From the given v – t graph, it can be inferred that the object is


  1. in uniform motion
  2. at rest
  3. in non-uniform motion
  4. moving with uniform acceleration

If the displacement of an object is proportional to square of time, then the object moves with

  1. uniform velocity
  2. uniform acceleration
  3. increasing acceleration
  4. decreasing acceleration

A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is

  1. u/g
  2. u2/2g
  3. u2/g
  4. u/2g

Well defined nucleus is absent in

  1. blue green algae
  2. diatoms
  3. algae
  4. yeast

In taxonomic hierarchy family comes between

  1. Class and Order
  2. Order and Genus
  3. Genus and Species
  4. Division and Class

Real organs are absent in

  1. Mollusca
  2. Coelenterata
  3. Arthropoda
  4. Echinodermata

Corals are

  1. Poriferans attached to some solid support
  2. Cnidarians, that are solitary living
  3. Poriferans present at the sea bed
  4. Cnidarians that live in colonies

The locomotory organs of Echinodermata are

  1. tube feet
  2. muscular feet
  3. jointed legs
  4. parapodia

Organisms without nucleus and cell organelles belong to

  1. fungi
  2. protista
  3. cyano bacteria
  4. archae bacteria

Select the correct option:

  1. (i) and (ii)
  2. (iii) and (iv)
  3. (i) and (iv)
  4. (ii) and (iii)

Pteridophyta do not have

  1. root
  2. stem
  3. flowers
  4. leaves

Which among the following have scales?

  1. Amphibians
  2. Pisces
  3. Reptiles
  4. Mammals

Select the correct option:

  1. (i) and (iii)
  2. (iii) and (iv)
  3. (ii) and (iii)
  4. (i) and (ii)

Elephantiasis is caused by

  1. Wuchereria
  2. Pinworm
  3. Planarians
  4. Liver flukes

Which one is a true fish?

  1. Jellyfish
  2. Starfish
  3. Dogfish
  4. Silverfish

Which among the following has specialised tissue for conduction of water?

  1. Thallophyta
  2. Bryophyta
  3. Pteridophyta
  4. Gymnosperms

Select the correct option:

  1. (i) and (ii)
  2. (ii) and (iii)
  3. (iii) and (iv)
  4. (i) and (iv)

The water conducting tissue generally present in gymnosperm is

  1. vessels
  2. sieve tube
  3. tracheids
  4. xylem fibres

Cork cells are made impervious to water and gases by the presence of

  1. cellulose
  2. lipids
  3. suberin
  4. lignin

Flexibility in plants is due to

  1. collenchyma
  2. sclerenchyma
  3. parenchyma
  4. chlorenchyma

Which of the following does not lose their nucleus at maturity?

  1. Companion cells
  2. Red blood cells
  3. Vessel
  4. Sieve tube cells

The dead element present in the phloem is

  1. companion cells
  2. phloem fibres
  3. phloem parenchyma
  4. sieve tubes

Which of the following cells is found in the cartilaginous tissue of the body?

  1. Mast cells
  2. Basophils
  3. Osteocytes
  4. Chondrocytes

The muscular tissue which function throughout the life continuously without fatigue is

  1. skeletal muscle
  2. cardiac muscle
  3. smooth muscle
  4. voluntary muscle

Which of the following helps in repair of tissue and fills up the space inside the organ?

  1. Tendon
  2. Adipose tissue
  3. Areolar
  4. Cartilage

Nerve cell does not contain

  1. axon
  2. nerve endings
  3. tendons
  4. dendrites

Nervous tissue is not found in

  1. brain
  2. spinal cord
  3. tendons
  4. nerves

Voluntary muscles are found in

  1. alimentary canal
  2. limbs
  3. iris of the eye
  4. bronchi of lungs

Contractile proteins are found in

  1. bones
  2. blood
  3. muscles
  4. cartilage

Bone matrix is rich in

  1. fluoride and calcium
  2. calcium and phosphorus
  3. calcium and potassium
  4. phosphorus and potassium

Fats are stored in human body as

  1. cuboidal epithelium
  2. adipose tissue
  3. bones
  4. cartilage

Cartilage is not found in

  1. nose
  2. ear
  3. kidney
  4. larynx

Meristematic tissues in plants are

  1. localised and permanent
  2. not limited to certain regions
  3. localised and dividing cells
  4. growing in volume

Which muscles act involuntarily?

  1. Striated muscles
  2. Smooth muscles
  3. Cardiac muscles
  4. Skeletal muslces

Select the correct option:

  1. (i) and (ii)
  2. (ii) and (iii)
  3. (iii) and (iv)
  4. (i) and (iv)

Intestine absorb the digested food materials. What type of epithelial cells are responsible for that?

  1. Stratified squamous epithelium
  2. Columnar epithelium
  3. Spindle fibres
  4. Cuboidal epithelium

Which cell does not have perforated cell wall?

  1. Tracheids
  2. Companion cells
  3. Sieve tubes
  4. Vessels

Girth of stem increases due to

  1. apical meristem
  2. lateral meristem
  3. intercalary meristem
  4. vertical meristem

Which of the following tissues has dead cells?

  1. Parenchyma
  2. Sclerenchyma
  3. Collenchyma
  4. Epithelial tissue

Living cells were discovered by

  1. Robert Hooke
  2. Purkinje
  3. Leeuwenhoek
  4. Robert Brown

Organelle without a cell membrane is

  1. ribosome
  2. golgi apparatus
  3. chloroplast
  4. nucleus

The only cell organelle seen in prokaryotic cell is

  1. mitochondria
  2. ribosomes
  3. plastids
  4. lysosomes

Cell theory was given by

  1. Schleiden and Schwann
  2. Virchow
  3. Hooke
  4. Haeckel

Cell arises from pre-existing cell was stated by

  1. Haeckel
  2. Virchow
  3. Hooke
  4. Schleiden

Lipid molecules in the cell are sythesized by

  1. smooth endoplasmic reticulum
  2. rough endoplasmic reticulum
  3. golgi apparatus
  4. plastids

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