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Refer to the given figure of brain with its parts labelled as X, Y and Z. Which of the following holds true for X, Y and Z?


AY helps us to balance our body and keep us in an upright posture.
BX helps us in learning our lessons and recalling the learnt concepts.
CZ controls the involuntary actions of our body.
DAll of these

Which of the following sets of flowers contain incomplete flower?

AHibiscus and Petunia
BGulmohar and Mustard
CPea and Mulberry
DDate palm and Mulberry

Read the following statements and select the incorrect ones.
(i) The study of food chains shows the interdependence of various organisms in a particular environment.
(ii) Herbivores have sharp cutting teeth in front and flat, grinding teeth at the back.
(iii) Scavengers mainly consume dead bodies of animals and help to keep the surroundings clean.
(iv) Some examples of scavengers are cows, jackals, leeches and bugs.

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

Which of the following statements is/are false?
(i) Two thin woollen sweaters are warmer than a thick woollen sweater.
(ii) It saves fuel if we cook food in a vessel which is blackened at the bottom and polished from the sides.
(iii) The cable wires between two poles are left loose, because in summers the wires may not break on expanding.

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

A few changes are classified in the given table :

Changes classified incorrectly are

A II and IV only
B I and III only
C III, IV and V only
D III and V only.

Which of the following is not present in the given word grid?


AA strong tropical storm with fast spinning winds called as hurricane in Southern USA.
BNatural disasters caused due to excessive or no rainfall at all in an area
CAn opening or rupture in Earth’s surface or crust through which hot molten rock, ash and gases escape
DA natural havoc whose intensity is measured on a seismograph

The given figure shows plant parts labelled as P, Q, R and S. Which of the following options correctly list the plants in which labelled part is edible?


AP - Broccoli, Cauliflower, Lettuce
BQ - Tapioca, Turnip, Onion
CR - Coriander, Spinach, Fenugreek
DS - Potato, Ginger, Sweet potato.

Refer to the given Venn diagram and select the incorrect statement regarding P-S.


AP could be Bacillus anthracis that causes anthrax.
BQ could be Vibrio cholerae that causes cholera in humans.
CR could be Chlamydomonas that is distributed widely in fresh water.
DS could be Giardia that causes intestinal infection in humans.

Observe the given changes and select the correct option.


A I, II and III, all are reversible changes.
B I and III are reversible changes while II is a irreversible change.
C I, II and III, all are irreversible changes.
D I is a chemical change while II and III are physical irreversible changes.