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11th Biology Weekly Test - 1 ( Bio - Botany - Cell Cycle )

MABS Institution

11th Biology Weekly Test - 1 ( Bio - Botany - Cell Cycle )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Find out which is incorrect In the following pairs.

Mouse - 40 Chromosomes
Onion - 16 Chromosomes
Human - 46 Chromosomes
Rice - 26 Chromosomes

Which is the longest phase of meitoic division?

Prophase-I
Metaphase-I
Anaphase-I
Telophase-I

Crossing over involves ______

Exchange of genetic material
Deletion of chromosomes
Duplication of chromosomes
Addition of chromosome

Many checkpoints control the ____________ .

2C
Cell cycle
Restriction point
G1

Mature neuron and skeletal muscle cell remain permanently in ______

G₁
G₀
S Phase
G₂ Phase

When gametic cells fuse together is called __________ .

Pre-existing cells
Chromosomes
Sexual reproduction
Condensed state

Interphase can be divided into how many sub phases?

2
3
8
5

Match the following.

A) Robert Hooke i) Chromosome behaviour

B) Anton Van Leeuwenhoek ii) Cell theory

C) Robert Brown iii) Structure of bacteria

D) Walther Flemming iv) Presence of nucleus

E) Schleiden& Schwann v) Cell

A - i), B - ii), C - iii), D - iv), E - v)
A - v), B - iii), C - iv), D - i), E - ii)
A - i), B - ii), C - iii), D - iv), E - v)
A - v), B - iv), C - iii), D - ii), E - i)

The correct sequence in cell cycle is

S-M-G₁-G₂
S-G₁-G₂-M
G₁-S-G₂-M
M-G-G₂-S

Phase of cell cycle unique for DNA replication is:

S
G₁
G₂
M

Part - B

Generic 2 - Answer All Question

What is Cell Cycle?

What do you mean by G₀ stage?
Mention two drawbacks of amitosis.

List out various stages of prophase of Meiotic cell division.

What is Cytokinesis?

Part - C

Generic 3 - Answer All Question

How G₀ cells help in Closing Technology?

What is Maturation Promoting Factor?

Explain the sequences of Anaphase I Telophase I in Meiotic cell division.
Describe the prophase of Mitotic cell division.

Write a note on Go phase.

Part - D

Generic 5 - Answer All Question

Enumerate the differences between mitosis and meiosis.

Explain in detail about the various stages of Prophase I.

Draw and label the events of cell cycle

Explain the various stages under Meiosis I-Reduction Division.
Explain the various phases in Cell Cycle.

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