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Refer to the given figure P showing leaf of a plant. The leaf is then covered with black paper as shown in the figure Q.

The plant was then kept in the sun. After several hours, the leaf was plucked off and the black paper was removed. Select the correct option regarding it.

APart a will have starch as it lacks chlorophyll.
BPart b will not have starch as it is getting sunlight.
CPart c will have starch as it is getting sunlight.
DPart d will not have starch as it lacks chlorophyll.

A solid substance is placed in a boiling tube and heated steadily. The temperature-time graph of the substance is shown in figure. At which labelled point would the substance be a mixture of liquid and gas?


A1
B2
C3
D4

The given figure shows one of the important organ systems of the human body. Which is incorrect about the organ labelled as P ?

1. It produces urine.
2. It excretes urea.
3. It stores urine.

A2 only
B3 only
C1 and 2
D2 and 3

Refer to the given food web.

What will be the effect on food web if population of rat and seed-eating bird declines?

A Population of rabbit and frog decreases.
B Population of grasshopper decreases but that of eagle increases.
C Population of rabbit and snake remain unaffected.
D None of these

Which of the following events does not occur during inhalation?
(i) Diaphragm muscle contract and become flat.
(ii) The volume of thoracic cavity decreases.
(iii) Air pressure inside the lungs increases.
(iv) Intercostal muscles contract to pull the ribs upwards and outwards.

A(i) and (ii) only
B(ii) and (iv) only
C(iii) and (iv) only
D(ii) and (iii) only

Which of the following organisms depends upon dead and decaying matter for energy?

A
B
C
DBoth A and C

In a certain code language, PRACTISE is written as RPCAVGUC. How would LOGICAL be written in that code language?

AOMIGFYN
BMNIGYNE
CJMGIEYN
DNMIGEYN

Which of the things listed below are biodegradable?
(i) Paper (ii) Plastic tub
(iii) Silver coin (iv) Banana peel
(v) Debit card (vi) Uprooted dead plant

A(i) and (ii) only
B(iii) and (iv) only
C(ii), (iii) and (v) only
D(i), (iv) and (vi) only

The given table lists foods that some birds like to eat.

In England, seeds and berries are the only foods available for most birds during the winter. To adapt with this change in availability of food, bird X will most likely show Y. Identify X and Y.

AX-Blue Jay Y-Mimicry
BX-Cardinal Y-Migration
CX-Chickadee Y-Camouflage
DX-Robin Y-Migration

Read the given passage and fill in the blanks by selecting an appropriate option.
Bran can be separated from flour via __(i)__ process. This is due to the difference in the size of the components. __(ii)__ method is used for the separation of husk particles from seeds of grains. __(iii)__ can be done with the help of bullocks as well as with that of machines when grains are present in larger quantities. __(iv)__ can be used to separate pieces of stone from rice or pulses.