PSC MODEL QUESTION PAPER 7

Mutation is

A change that is inherited

Humus is

Decomposed organic matter

Plant growth can be promoted with the help of

Hormones

Goan spirit made from either coconut juice of cashew apple

Fenny

Which was called ‘the herb of immortality’ by the old Egyptians

Aloe vera

How many seed leaves does a dicotyledon  plant have?

2

Jamica tall is a variety of

Coconut tree

Which of these terms is used to describe the means by which the male and female cells combine to from a new cell which then eventually develops into a new embryo?

Fertilization

Outer covering of virus made up of protein is

Capisd

Plant gave …. While animals lack it

Cellulose

In our country the van Mahotsav Day observed in the month of

July

The medicinal plant famous for its aphrodisiac effects

Ginseng

The gas absorbed by plans during  photosynthesis:

Carbon dioxide

What is tangerine commonly known as

Orange

What substance produced from the plant is used to create its cell walls?

Cellulose

The oil of which plant is used topically to treat toothache?

Clove

Plans that grow under average temperature and moisture are called

Mesophytes

Which of these is a fruit?

Potato

From which of these plans is rum distilled

Sugarcane