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Read the following statements and select the correct option that identifies each statement as true (T) or false (F) ones.
(i) Forests help to regulate the water cycle and bring rainfall.
(ii) Tribals worship trees as a form of God.
(iii) The Bo tribe, which lived on the Andaman islands, is now extinct.
(iv) Deforestation leads to decrease in carbon dioxide level in the atmosphere.

There is a certain relationship between figures (i) and (ii). Establish the similar relationship between figures (iii) and (iv) by selecting a suitable figure from the options that will replace the (?) in fig.


A
B
C
D

The intensity of sound wave gets reduced by 10% on passing through a slab. The total reduction in intensity on passing through three consecutive slabs is

A 30%
B 70%
C 27.1%
D 72.9%

Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.
(i) Kharif crops are grown in the winter season between October and March.
(ii) Drip irrigation is very useful for areas having a shortage of water.
(iii) Manures are mineral specific as they provide all the minerals needed by plant.
(iv) Broadcasting of seeds is done by seed drill.

Observe the following unit conversions and select the option which correctly identifies them as true (T) or false (F) ones.
(i) 1 km = 10⁹ μm
(ii) 1 cm = 10³ mm
(iii) 1 mg = 10³ μg
(iv) 1 kg = 10⁶ mg

Select the option that correctly fills the blanks (i)-(iv).
A. Foods having high sugar and fat content but low amounts of proteins, minerals, vitamins, and fibres is called (i).
B. The process of adding more nutrients to food during processing to improve its nutritional quality is known as (ii).
C. Millets are also known as (iii).
D. The distance travelled by a food item from the producer to the consumer is known as (iv).

Which of the given non-living things is necessary for living things to stay alive?

A
B
C
D

Refer to the given word grid and answer the following question.

Which of the following CANNOT be found in the word grid?

A Name of a perching bird.
B Name of a scratching bird.
C Name of a climbing bird.
D Name of a wading bird.

If all the vowels are removed from the series given below, then which of the following is ninth to the right of twelfth letter from the right end?
Q E E E F E B U L A M C D I P Q O R R R A P P W I

AR
BW
CI
DP

Refer to the given food chain.
Plant → Grasshopper → Lizard → Snake → Hawk
Which among the given animals are both predators and prey?

A Hawk and grasshopper
B Snake and lizard
C Hawk and snake
D Plant and grasshopper