Give the technical/biological term for the following:
Respiratory openings found on the stem of woody plants.
Lenticels
Give the technical/biological term for the following:
Respiratory openings found on the stem of woody plants.
Lenticels
Study the diagram given below and answer the following questions:
(i) Name the process being studied in the above experiment.
(ii) Explain the process mentioned in (i) above.
(iii) Why is oil placed over water?
(iv)What do we observe with regard to the level of water when this setup is placed in
(1) bright sunlight, (2) humid conditions and (3) on a windy day?
(v) Mention any three adaptations in plants to overcome the process mentioned in (ii)
Mention the effects of two individuals in a street fight on the following organs by the autonomous nervous system (one has been done for you).
Organ | Sympathetic nervous system | Para-sympathetic nervous system |
eg Lungs | Dilates bronchi and brochioles | contricts bronchi and bronchioles
|
1) Heart 2 Pupils of the eye 3 . Salivary |
(ii) List four major activities of the Red Cross.
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
S.no | Category | Odd one |
0 | Organelles of plant cell |
Centrosome |
(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.
Mock Test Series