Refer to the given dichotomous key and select the incorrect statement regarding P, Q, R, S and T.
(i) (A) It is a natural fibre.- Go to (ii)
(B) It is a man-made fibre. -
(ii) (A) Fibre is obtained from plants.
- Go to (iii)
(B) Fibre is obtained from animals.
- Go to (iv)
(iii) (A) Fibre obtained from stem. -
(B) Fibre obtained from seed. -
(iv) (A) Fibre obtained by harming source organism. -
(B) Fibre obtained without harming source organism. -
A Fibre P is quick burning and shrinks away from flame giving slightly sweet chemical odour.
B Q could be obtained from Corchorus capsularis while R could be obtained from Gossypium hirsutum.
C Fibre S is obtained from an insect whereas fibre T is obtained from a mammal.
D Fabric made of S can be worn in all seasons whereas fibre Q can be used to make a raincoat.
Can't silk worn in all seasons???????????
Zarrin has noted in her calendar, 15th November : Full Moon. Which shape of the Moon would she most likely observe on 29th November?
Refer the given diagram showing three states of matter and select the correct option
to answer the questions that follow:
a. Which of the states of matter has definite volume but not shape?
b. Which of the states of matter is the most compressible?
Read the given passage where some of the words have been italicised.
Cotton plant is annual shrub. It grows best in cold climate. Black soil is best suited for the cultivation of cotton plant. The stems of cotton plant are called cotton bolls. The seeds with cotton fibres are picked from the cotton bolls by hand. After picking the fibres are separated from the seeds by a process called combing.
Select the correct option regarding this.
A Annual should be replaced by biennial.
B Cold should not be replaced as it is correctly mentioned.
C Black should be replaced by yellow and stems should be replaced by fruits.
D Combing should be replaced by ginning.
answer is D
The process of water cycle that recharges water table and sometimes leads to floods, is also responsible for ___________.
A Drying of clothes
B Water loss from plant leaves
C Filling of wells
D Formation of dew drops