Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Botany NCERT > Morphology of flowering plants > Flashcards

Morphology of flowering plants Flashcards

1
Q

In monocots, the primary root is?

A

short lived and replaced by a large number of roots

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The roots originate from the?

A

Base of the stem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Fibrous root system is seen in?

A

Wheat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

In some plants like __________, _________ and ________, the roots arise from the parts of the plant other than the radicle, what are these roots called?

A

grass, monstera, banyan tree

Adventitious roots

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the main functions of the roots?

A

Absorption of water and minerals
Providing a proper anchorage to plant
storing reserve food materials
synthesis of plant growth regulators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The root is covered with a apex thimble-like structure called ______ ___

A

root cap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Function of the root cap is?

A

Protecting the tender apex of the root as it makes through the soil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Give a short note on the Meristematic region of the root.

A

The cells of this region are very small and thin walled with dense protoplasm. The cells which elongate gradually differentiate and mature.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The region of maturation is ________ to the region of elongation

A

upwards

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Function of root hairs is?

A

absorbing water and minerals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The region where leaves are born are called?

A

Nodes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the colour of stem when its young and what it changes to later?

A

green it changes to brown after maturation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What’s the main function of the stem?

A

spreading out leaves, flowers and fruits.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does a stem conduct?

A

water, minerals and photosynthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The function of some stems is?

A

storage of food
support
protection
vegetative propagation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A leaf develops at the _____ and develops its bud at the _____

A

node
axil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Leaves originate from? (meristem)

A

shoot apical meristems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the three main parts of the leaf?

A

Leaf base
Petiole
Lamina

19
Q

What are stipules

A

they are small leaf structures at the leaf base

20
Q

In some leguminous plants the leaf base becomes swollen which is called ________

A

pulvinus

21
Q

The function of petiole is?

A

To hold the blade to light and allow the leaf to flutter in wind

22
Q

the leaf blade is expanded with?

A

Veins and Veinlets

23
Q

Name the mid prominent Vein

A

Midrib

24
Q

Function of veins is?

A

Providing rigidity
acting as channel
transport of food, water and minerals

25
Q

Arrangement of veins is called?

A

Venation

26
Q

Parallel venation is seen in

A

Monocots

27
Q

Reticulate venation is seen in

A

dicots

28
Q

palmately compound leaf is

A

Silk Cotton

29
Q

pinnately compound leaf is?

A

Naem

30
Q

Alternate phyllotaxy is seen in?

A

China rose, mustard and sunflower

31
Q

Opposite phyllotaxy is seen in?

A

Calotropis and guava plants

32
Q

Whorled phyllotaxy is seen in?

A

Alstonia

33
Q

The arrangement of flowers on the floral axis is termed as __________.

A

inflorescence

34
Q

In _________ type of inflorescence the main axis continues to grow, the flowers are borne _________ in an ____________

A

racemose
laterally
acropetal succession

35
Q

In ________ type of inflorescence the main axis terminates in a flower, hence its limited in growth. The flowers are borne in a _______________

A

cymose
basipetal order

36
Q

Flower is the reproductive unit in _____________.

A

angiosperms

37
Q

A flower has ___ kinds of whorls.

A

4

38
Q

four whorls are arranged on swollen end of stalk called __________ or __________

A

thalamus or receptacle

39
Q

Radial symmetry in flower is

A

actinomorphic

40
Q

Bilateral symmetry in flower is

A

zygomorphic

41
Q

when a flower can be cut in two radial halves in any axis it is known as _________ and when only into two similar halves it is known as __________

A

actinomorphic
zygomorphic

42
Q

examples of actinomorphic?

A

mustard, datura, chilli

43
Q

examples of zygomorphic?

A

pea, gulmohur, bean, cassia

44
Q

example of asymmetric?

A

Canna

Botany NCERT (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions