User Forum

In the given figure, AE = BC and AE || BC and the three sides AB, CD and ED are equal in length.
If m∠A = , find ∠BCd


(a) 138°
(b) 162°
(c) 88°
(d) 152°

In a food chain, a ___________ can be placed immediately before a snake.

A
B
C
D

Which of the following does not make a criterion for classification of animals?

A Body cavity organisation
B Symmetry
C Cell wall structure
D Presence or absence of notochord

While building a new house, which of the following things should be taken care of to keep house clean and free of germs?

AThere should be proper ventilation, so that clean air can enter the house.
BThere should be good drainage system in bathrooms and kitchen.
CWindows and doors should have wire mesh to avoid flies and mosquitoes from entering into house.
DAll of these

Read the given statements and select the correct option.
Statement 1 :Mammals are warm-blooded animals.
Statement 2 :Mammals maintain constant body temperature despite changes in environmental temperature.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement1.
CStatement 1 is true but statement 2 is false.
DBoth statements 1 and 2 are false.

Select an INCORRECT statement regarding photosynthesis.

AFood is prepared by green leaves of a plant.
BWater required for making food is absorbed by roots.
CFor photosynthesis, oxygen is taken in through stomata
DSunlight required for photosynthesis is absorbed by chlorophyll.

Which of the following figure is exactly same as fig. (X)?



A

B

C

D

Refer to the given flowchart and select the correct option.



AP is train, S is plant
BR is train, Q is plant
CP is table, Q is man
DR is plant, S is table

A.R. Rehman is conducting a musical night in an open auditorium in New York. If a person who is sitting in the auditorium at a distance of 250 m from the stage and the other who is watching the live program on a television set sitting in front of it in Hyderabad, then the person who hear him first is the

A Person sitting in auditorium
B Person sitting in Hyderabad
C Both will hear at the time
D Cannot be said.

_______ in soil is the fertile component.

A Gravel
B Humus
C Moisture
D Air