Question # 1

The exchange of parts of non-sister chromatids is called:

Choose an answer

Chiasmata

Linkage

Crossing over

None of these

Karyokinesis is division..................... .

Choose an answer

Nucleus

Cytoplasm

DNA

proteins

Who suggested the first system of classification of organisms?

Choose an answer

Al-Jahiz

Aristotle

John Ray

Averroes

In which stage of the cell cycle each chromosomes is duplicated and so it consists of two chromatids?

Choose an answer

G I

S

M

G2

Which of the following structure is absent in animals?

Choose an answer

Spindle

Centrioles

Chromatids

Phragmoplant

Cytokineses in a plant cell is characterized by:

Choose an answer

The equal division of homologous chromosomes

A pinching off a cell membrane to divide the cell

The formation of a cell plate in the cytoplasm

The movement of the chromosomes from the metaphase plate

Chromosomes condensation occurs during .............. .

Choose an answer

G1-phase

G2-phase

S-phase

Interphase

Independent assortment occurs during .................... .

Choose an answer

Meiosis I

Meiosis II

Mitosis

None

In which stage of the cell cycle each chromosome is duplicated and so it consists of two chromatids?

Choose an answer

GI

S

M

G2

Down's sayndrome is an autosomal non-disjunction of chromosomes number ............. .

Choose an answer

22

12

21

14

Which is not the function of mitosis?

Choose an answer

Development and growth

Cell replacement and regeneration

Asexual reproduction

Sexual reproduction

The phase which can exist for life is:

Choose an answer

G₀

G₁

G₂

S phase

Which one of the followings stage is similar in mitosis and meiosis?

Choose an answer

Prophase

Anaphase

Metaphase

Telophase

More Classes

Other Links

Biology 9th Class English Medium Chapter 5 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer