Given below are five groups of terms. In each group, arrange and rewrite the terms in the correct order so as to be in a logical sequence. For example,

Question:  Implantation, Parturition, Ovulation, Gestation, Fertilisation.

Answer: Ovulation, Fertilisation. Implantation. Gestation, Parturition.

Spongy ceiJs, Upper epidermis, Stoma, Palisade tissue, Sub-stomatal space

Name the following:

(ii) A plant with sunken stomata.

There are five sets consisting offive terms given below. In each set, there is a word
which is an odd one. For each of these sets, write down the category of the group
having identified the odd one out, as shown in the example:

Example: (0) cell wall, vacuole, centrosome, plastids, mitochondria

(i) Blinking, Knitting without looking, Smiling, Blushing, Crying

Choose the correct answer to the following statements out of the three choices given
after each statement.

Loss of water as droplets from hydathodes is called

Account for the following:

(iii)The leaves of certain plants roll up on a bright sunny day.

Identify and name the following processes/terms from the statements given below:

(iv)The loss of water from InJured parts of a plant.

A destarched plant is one whose

The diagram below represents a structure found in a leaf. Study the same and answer the questions which follow:

(i) Name the parts labelled A and B.
(ii) What is the biological term for the above structure? 
(iii) What is the function of the part lallelled A?
(iv) Mention two structural features of A which help in the function mentioned in (iii) above.
(v) Where is this structure likely to be found in leaf?
(vi) The above structure helps In the process of transpiration. Explaln the term transpiration.
(vii) How many other cells are found surrounding this structure as seen in the diagram?

Explain how the rate of transpiration is affected on

i. A windy day

ii. A foggy day