Which of the following is/are correctly matched?
I. Hard resin - Cocaine
II. Oleo resin - Canada Balsam
III. Latex - Rubber
IV. Alkaloid - Asafoetida
II and III
I and IV
B. II and III
1. Dynamic lift of aeroplane is based on the principle of Bernoulli's theorem.
2. Glass is less elastic than rubber.
3. For a system free from external forces, linear momemtum of the system remains constant
Which of the above statement is/are wrong?
Both (2) and (3)
Both (1) and (2)
A. (2) only
Consider the following statements.
Assertion (A) : Receptors for steroid hormones are located inside the cells.
Reason (R) : Because steroid hormones are lipid soluble molecules that diffuse easilyy through the phospholipid interior of cell membrane.
Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true (R) is not a correct explanation of (A)
(A) is true but (R) is false
(A) is false but (R) is true
A. Both (A) and (R) are true and (R) is the correct explanation of (A)