MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

What Is Tissue

Clowes report...

Question

Clowes reported quiescent centre in Zea mays which represents

A

Highest rate of mitotic divisions

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Slow DNA replication

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Slow mitotic divisions

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Both B and C

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D Both B and C
The roots of all seed pants are known to have quiescent center as per research work by Clowes in Zea mays. Investigatory studies on this aspect through autoradiography shows that this is due to slow DNA replications and slow mitotic divisions.
Hence, the correct answer is option D.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Assertion :Clowes reported quiscent centre in Zea mays root, region behind rootcap. Reason: Méristème d'attente is region similar to this in shoot apex as its cells also have slow DNA replication.

Q. A human T lymphocyte in the mitotic metaphase stage will contain how many DNA molecules (exclude the DNA of mitochondria)?

Q. The durations of mitotic stages in two situations,(A and B) are tabulated below:

	Duration of Mitotic Stages (in Minutes)	Duration of Mitotic Stages (in Minutes)
Phase	A	B
Interphase	$1356 (22.6 h)$	$870 (14.5 h)$
Prophase	$126$	$54$
Metaphase	$24$	$14$
Anaphase	$5$	$3$
Telophase	$22$	$11$
Total	$1533 (25.6 h)$	$952 (15.9 h)$

Following are some interpretations:

I.'A' and 'B' indicate the same plant tissue grown at higher and lower temperature respectively.
II.'A' indicates a slow-growing plant species and 'B' indicates a slow-growing plant species.
III.Both 'A' and 'B' indicate dormant plant tissues with excessively long interphase.
The correct interpretations is/are.

Q. Study the diagram given below which represents a stage during the mitotic cell division and answer the questions that follow:
Name the parts numbered

1

2

.

Q. Study the diagram given below which represents a stage during the mitotic cell division and answer the questions that follow:
Identify the stage giving suitable reasons.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Minimalistic Design

BIOLOGY

Watch in App

explore_more_icon

Explore more

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon