General Science

GP Gravitation

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

GP Motion Force

Rocket works on the principle of conservation of

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

GP Motion Force

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

GP Motion Force

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

GP Motion Force

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

GP Motion Force

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

GP Motion Force

Slope of a velocity – time graph gives

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

GP Motion Force

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

GP Motion Force

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

GP Motion Force

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

GP Motion Force

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

GP Motion Force

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

GB Living Organisms

Well defined nucleus is absent in

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

GB Living Organisms

In taxonomic hierarchy family comes between

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

GB Living Organisms

Real organs are absent in

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

GB Living Organisms

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

GB Living Organisms

The locomotory organs of Echinodermata are

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

GB Living Organisms

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)

GB Living Organisms

Pteridophyta do not have

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

GB Living Organisms

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)

GB Living Organisms

Elephantiasis is caused by

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

GB Living Organisms

Which one is a true fish?

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

GB Living Organisms

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)

GB Cells Tissues

The water conducting tissue generally present in gymnosperm is

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

GB Cells Tissues

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

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

GB Cells Tissues

Flexibility in plants is due to

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

GB Cells Tissues

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

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

GB Cells Tissues

The dead element present in the phloem is

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

GB Cells Tissues

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

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

GB Cells Tissues

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

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

GB Cells Tissues

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

GB Cells Tissues

Nerve cell does not contain

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

GB Cells Tissues

Nervous tissue is not found in

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

GB Cells Tissues

Voluntary muscles are found in

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

GB Cells Tissues

Contractile proteins are found in

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

GB Cells Tissues

Bone matrix is rich in

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

GB Cells Tissues

Fats are stored in human body as

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

GB Cells Tissues

Cartilage is not found in

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

GB Cells Tissues

Meristematic tissues in plants are

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

GB Cells Tissues

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)

GB Cells Tissues

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

GB Cells Tissues

Which cell does not have perforated cell wall?

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

GB Cells Tissues

Girth of stem increases due to

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

GB Cells Tissues

Which of the following tissues has dead cells?

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

GB Cells Tissues

Living cells were discovered by

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

GB Cells Tissues

Organelle without a cell membrane is

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

GB Cells Tissues

The only cell organelle seen in prokaryotic cell is

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

GB Cells Tissues

Cell theory was given by

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

GB Cells Tissues

Cell arises from pre-existing cell was stated by

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

GB Cells Tissues

Lipid molecules in the cell are sythesized by

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