Question : _____ is the study of the physical form and external structure of plants.

Option 1: Physiology

Option 2: Anatomy

Option 3: Phytomorphology

Option 4: Cytology

Question : "Red Data Book" provides an account of:

Option 1: Endangered plants only

Option 2: Fossil plants

Option 3: Endangered plants and animals

Option 4: Extinct animals only

Question : If $P:Q=1: 3, Q:R=3:4,$ and $R: S=2:1$, then what is the value of $P:S$?

Option 1: $3:1$

Option 2: $2:1$

Option 3: $1:2$

Option 4: $3:2$

Question : The ratio of the volume of the two cones is 2 : 3, and the ratio of the radii of their bases is 1 : 2. The ratio of their heights is:

Option 1: 3 : 8

Option 2: 8 : 3

Option 3: 4 : 3

Option 4: 3 : 4

Question : Arachnology is the study of:

Option 1: Rearing of bees

Option 2: Study of aphids

Option 3: Study of mites

Option 4: Study of spiders

Question : The value of exponential form of $\sqrt{\sqrt{2}\sqrt{3}}$ is:

Option 1: $6$

Option 2: $6^{\frac{1}{2}}$

Option 3: $6^{-\frac{1}{2}}$

Option 4: $6^{\frac{1}{4}}$