(i) If material P is removed, Daksh will be able to see Poonam through material R.
(ii) If material R is removed, Poonam will not be able to see Daksh through material P.
(iii) If material S is removed, Ram is able to see blurred image of Daksh through material Q.
(iv) If material Q is removed, Daksh is not able to see Ram.
Recognise the nature of the materials P, Q, R and S.
(A) P : Transparent Q : Translucent R : Opaque S : Transparent
(B) P : Translucent Q : Opaque R : Transparent S : Translucent
(C) P : Opaque Q : Translucent R : Transparent S : Opaque
(D) P : Transparent Q : Opaque R : Translucent S : Opaque
Refer to the given diagram of human tooth and select the correct option regarding its parts P, Q, R and S.
AP is the soft, white and shiny part of tooth.
BQ is root whereas R is crown of tooth.
CS nourishes Q as it contains blood vessels and nerves.
DQ is a soft tissue which anchors the tooth inside gums.
Read the given statements and select the correct option.
Statement 1 - We should use jute bags instead of plastic bags for carrying goods.
Statement 2 - Jute bags are cheaper than plastic bags.
ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true and statement 2 is false.
DBoth statements 1 and 2 are false.
Figures P and Q represent the movement of two types of joints in our body.
Select the correct statement regarding them.
AMovement of bones having joint P can be compared to the movement of a joystick on computer.
BBones having Q joint can show movement in only one plane.
CJoint P is present in our elbows and knees.
DJoint Q is present between our backbone and skull.
In many experiments, studying photosynthesis in plants,
the plant is first destarched. Which of the following
describes a correct method of destarching?
A Keeping the plant in a dark place for sometime
B Bleaching the chlorophyll in leaves
C Removing all leaves of the plant
D Soaking all the leaves of plant in copper sulphate solution for an hour
Abhay is trying to find out which soil makes carrots grow best. He uses a ruler to compare the carrots. What is Abhay measuring?
(A) Their length
(B) Their colour
(C) Their weight
(D) Their taste