User Forum

The given figure shows steps involved in the process of wool yarn making. Identify steps a, b, c, d and e and select correct option regarding them:



A In many parts of the world, step 'a' is done once a year. It harms the sheep and is painful.
B Steps 'b and c' show the process of scouring, during which workers are at high risk of getting respiratory diseases.
C Step 'd' converts wool fleece into narrow untwisted fibres called slivers.
D Step 'e' depends on the length of the fibres. Long fibres are used for making tweeds and flannel whereas short fibres are used in making gabardines.

Mishika looked at the sky at night and noticed that there was in the sky. It was her birthday, i.e., 7^th January. Her brother, Mohit's birthday falls exactly two weeks after her birthday. Which shape of Moon would she most likely observe on her brother's birthday?

A
B
C
D

The given box contains some letters. Name of which of the following can be obtained using these letters? (You can use each letter more than once.)

Kavita wants to push her cart up the plank. Which of the following planks will be most difficult for her to push the cart up?

A
B
C
D

Refer to the given dichotomous key and select the correct option.
I. a. Its edible part grows above ground. - Go to II
b. Its edible part grows below ground. - Go to III
II. a. It has reticulate venation in leaves - P
b. It has parallel venation in leaves - Q
III. a. It has tap root system - R
b. It has fibrous root system - S

A P could be coriander whereas R could be radish.
B Q could be potato whereas S could be onion.
C Q could be maize whereas R could be wheat.
D P could be mustard whereas S could be pea.

Ten male animals, each of type X and Y were living together for last few months in captivity in a well defined area (full of greenery). Other types of animals were not present in this area. Then an animal Z was introduced in this area. After few days, their numbers were counted and tabulated as shown here.

What does this indicate?

A Z is a carnivore.
B Y is a herbivore.
C X is a herbivore.
D All of these

Rini was asked to write some involuntary actions. She has written some voluntary actions also as shown in the list.

Which of the following groups of seeds contains only dicot seeds?

AWheat, Rice, Maize
BPea, Maize, Bean
CPea, Bean, Gram
DMaize, Gram, Pea

A wire is being drawn to make it thinner such that the length of the wire l increases and radius r decreases. Its resistance R will finally be proportional to

A
B
C
D