Deck 12: Brain Functions, Plant Processes, and Agricultural Practices

Question 1

Which of the following is not an endocrine gland?

A)Salivary gland
B)Pituitary gland
C)Thyroid gland
D)Adrenal gland

Answer 1

Salivary gland

Question 2

Two rods of same material and length have their electric resistance to ratio 1 : 2. When both rods are dipped in water, the correct statement will be

A)A has more loss of weight
B)B has more loss of weight
C)Both have same loss of weight
D)Loss of weight will be in the ratio 1 : 2

Answer 2

Both have same loss of weight

Question 3

The temperature of the Sun is measure with

A)platinum thermometer
B)gas thermometer
C)pyrometer
D)vapour pressure thermometer

Answer 3

pyrometer

Question 4

In case of uniform circular motion, which of the following physical quantity do not remain constant?

A)Speed
B)Momentum
C)Kinetic energy
D)Mass

Question 5

Inertia is that property of a body by virtue of which the body is

A)unable to change by itself the state, the rest
B)unable to change by itself the state of uniform motion
C)unable to change by itself the direction of motion
D)unable to change by itself the state of rest and of

Question 6

A rider on horse back falls when horse starts running all of a sudden because

A)rider is taken back
B)rider is suddenly afraid of falling
C)inertia of rest keeps the upper part of body at rest whereas lower part of the body moves forward with the horse
D)None of the above

Question 7

A person is standing in a elevator. In which situation, he finds his weight less than actual when

A)the elevator moves upward with constant acceleration
B)the elevator moves downward with constant acceleration
C)the elevator moves upward with uniform velocity
D)the elevator moves downward with uniform velocity

Question 8

Which of the following is not a chemical reaction?

A)Souring of milk
B)Rusting of iron
C)Dissolution of sugar in water
D)Digestion of food in our body

Question 9

The physical state of water at 100°C is

A)solid
B)liquid
C)gas
D)plasma

Question 10

Which of the following characteristics are associated with gaseous state?

A)Definite shape, compressible, fixed volume
B)Incompressible, fixed shape and size
C)No fixed shape and size, highly compressible
D)Fixed shape, incompressible, closely packed

Question 11

A gas can be liquefied by

A)lowering the temperature
B)increasing the temperature
C)increasing the pressure
D)increasing the pressure and lowering the temperature

Question 12

The term 'rancidity' represents

A)acid rain
B)oxidation of fatty food
C)rottening of fruit
D)fading of coloured clothes in the sun

Question 13

Evaporation of liquid occur at

A)boiling point
B)fixed temperature lower than the boiling point
C)all temperature
D)None of the above

Question 14

Largest part of the brain of human being is called

A)olfactory lobe
B)cerebral hemisphere
C)corpus callosum
D)optic nerve

Question 15

Which part of human brain is more developed in comparison to others?

A)Cerebrum
B)Cerebellum
C)Optic lobes
D)Medulla oblongata

Question 16

Hearing is controlled by

A)tyemporal lobes
B)cerebrum
C)hypothalamus
D)parietal lobe

Question 17

Example of analogy is

A)wings of bird and butterfly
B)limbs of horse and man
C)wings of bat
D)None of the above

Question 18

Removal of anthers from flowers is the process which is known as

A)emasculation
B)breeding
C)manuring
D)fallowing

Question 19

Improved variety of paddy (rice) is

A)Ranjit
B)Sonalika
C)Ganga 101
D)Pusa 215

Question 20

Which one of the following crop doesn't required more nitrogen fertilizers?

A)Maize
B)Paddy
C)Clover (Berseem)
D)Sugarcane

Question 21

Which one is used for weeding?

A)Insecticides
B)Weedicides
C)Herbicides
D)Pesticides