ICSE Class 8 Biology — Practice Quiz

A student places fresh grapes in a concentrated sugar solution. What will happen to the grapes after a few hours?

The upward movement of water and minerals from roots through the stem to leaves is called:

Which macronutrient deficiency causes yellowing of leaves and wrinkling of cereal grains in plants?

Ginger, potato, and onion are all called 'modified stems'. A student claims that onion is a root because it grows underground. Which of the following best DISPROVES the student's claim?

In the technique of grafting, it is stated that 'the cambium layers of the stock and scion must come into very close contact'. Why is the cambium layer specifically mentioned as being crucial for a successful graft?

In tissue culture (micropropagation), an 'explant' is placed in a nutrient medium and eventually grows into a 'callus'. What is a callus and what does it eventually become?

What are the male reproductive cells called?

Where are eggs (ova) produced in the female reproductive system?

What is the function of the uterus in the female reproductive system?