Solved MCQs of Biology Class 9 Chapter 4

Micro filaments are made of:

Tubulin protein

Lipids

Carbohydrates

Actin protein

Cellulose is present in:

Primary wall

Secondary lamella

None of above

Which organelles have their own DNA?

Chloroplast

Mitochondria

Both

None

Plant cell have large number of stacks known as:

Protostomes

Dictostomes

Distyosomes

All

Improved the quality of lenses.

Robert Brown

Robert hooke

Leeuwenhoek

Dolland

_______________ described the nucleus as characteristics spherical body in plant cells.

Robert hooke

Robert Brown

Leeuwenhoek

Dolland

There are _______________ major groups of plant tissues.

1

2

3

4

The cells used for secretion of hormones are:

Muscles cells

Nerve cells

Grand cells

RBCs

Which of these material is not a component of the plasma membrane?

Lipids

Carbohydrates

Proteins

DNA

There are_______________chromosomes in radish.

46

18

16

23