Term 1 · Class 6 Science · Chapter 4

Samacheer Class 6 Science - The Living World of Plants

24 textbook Q&A24 verifiedFree Content

Chapter-wise textbook exercise answers for The Living World of Plants with validation-aware solutions.

Answers marked verified were checked during generation against the chapter context and source question text.
Sections in this chapter
I. Choose the correct answer: 4II. True or False – If false give the correct answer. 1III. Fill in the blanks. 1V. Arrange in the correct sequence. 2VI. Very short answer. 3VII. Short answer. 4VIII. Answer in detail. 1I. Multiple Choice Questions. 4II. Fill in the blanks. 1III. Arrange in the correct sequence. 1IV. Very short answer. 1V. Answer in Details. 1
Your Progress - Chapter 40% complete
1I. Choose the correct answer:4 questions
Q.1The pond is an example of ………v
  1. A. Marine habitat
  2. B. Freshwater habitat
  3. C. Deserts
  4. D. Mountain
Solution

(b) Freshwater habitat

Answer:

(b) Freshwater habitat

✓ Verified and validated
Q.2The important function of stomata is ______v
  1. A. Conduction
  2. B. Transpiration
  3. C. Photosynthesis
  4. D. Absorption
Solution

(b) Transpiration
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

Answer:

(b) Transpiration
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

✓ Verified and validated
Q.3Organs of absorption are ………v
  1. A. Root
  2. B. Stem
  3. C. Leaf
  4. D. Flower
Solution

(a) Root

Answer:

(a) Root

✓ Verified and validated
Q.4The habitat of water hyacinth is ______v
  1. A. Aquatic
  2. B. Terrestrial
  3. C. Desert
  4. D. Mountain
Solution

(a) Aquatic

Answer:

(a) Aquatic

✓ Verified and validated
2II. True or False – If false give the correct answer.1 questions
Q.G1Plants can live without water. All plants have chlorophyll. Plants have three parts; the root, the stem, and the leaves. Mountain is an example of a freshwater habitat. Root is modified into spines. Green plants need sunlight.v
Solution

False – They need water to carry out various functions.
False – Only green plants have chlorophyll.
True
False – Mountain is an example of Terrestrial habitat.
False – Spines are usually modifications of leaves.
True

Answer:

False – They need water to carry out various functions.
False – Only green plants have chlorophyll.
True
False – Mountain is an example of Terrestrial habitat.
False – Spines are usually modifications of leaves.
True

✓ Verified and validated
3III. Fill in the blanks.1 questions
Q.G2Earth’s surface is covered by ……….. % of water. The driest places on earth are ………. Fixation and absorption are the main functions of ………. Primary organs of photosynthesis are ……….. Taproot system present in ……….. plants.v
Solution

70%
Deserts
roots
leave
dicot.
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

Answer:

70%
Deserts
roots
leave
dicot.
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

✓ Verified and validated
4V. Arrange in the correct sequence.2 questions
Q.1Leaf – Stem – Root – Flowerv
Solution

root – stem – leaf – flower

Answer:

root – stem – leaf – flower

✓ Verified and validated
Q.2Transpiration – Conduction – Absorption – Fixation.v
Solution

Fixation, Absorption, Conduction, Transpiration.

Answer:

Fixation, Absorption, Conduction, Transpiration.

✓ Verified and validated
5VI. Very short answer.3 questions
Q.1Classify plants on the basis of their habitat.v
Solution

Terrestrial and Aquatic are the 2 habitats
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants 2

Answer:

Terrestrial and Aquatic are the 2 habitats
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants 2

✓ Verified and validated
Q.3Define the term habitat.v
Solution

Each and every organism needs a place to live and reproduce known as habitat.
The dwelling place of any organism is its habitat. Eg. Aquatic habitat
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

Answer:

Each and every organism needs a place to live and reproduce known as habitat.
The dwelling place of any organism is its habitat. Eg. Aquatic habitat
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

✓ Verified and validated
Q.4Relate the terms leaves and photosynthesis.v
Solution

Leaves are green in colour, they have chlorophyll and do photosynthesis.

Answer:

Leaves are green in colour, they have chlorophyll and do photosynthesis.

✓ Verified and validated
6VII. Short answer.4 questions
Q.1Why do you call Jasmine plants a twiner?v
Solution

Weak plant, cannot stand on its own, must climb on any support to survive.

Answer:

Weak plant, cannot stand on its own, must climb on any support to survive.

✓ Verified and validated
Q.2Compare the taproot and fibrous root systems.v
Solution

Taproot system:
Consists of a single root.
it grows straight down in the ground
Seen in misogynous plants.
Fibrous root system:
Consists cluster of roots.
It is thin and uniform in size.
Seen in monocotyledonous plants.

Answer:

Taproot system:
Consists of a single root.
it grows straight down in the ground
Seen in misogynous plants.
Fibrous root system:
Consists cluster of roots.
It is thin and uniform in size.
Seen in monocotyledonous plants.

✓ Verified and validated
Q.3Distinguish between terrestrial and aquatic habitats.v
Solution

Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants 3

Answer:

Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants 3

✓ Verified and validated
Q.4List out the plants present in your school garden.v
Solution

Mango tree, Neem tree, Water lily, Clitoria, Hibiscus
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

Answer:

Mango tree, Neem tree, Water lily, Clitoria, Hibiscus
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

✓ Verified and validated
7VIII. Answer in detail.1 questions
Q.1Make a list of functions of root & stem.v
Solution

Functions of root:
The root,
Fixes the plant to the soil.
Absorbs water and minerals from the soil.
Stores food in some plants like carrots and beetroot.
Functions of stem:
The stem,
Supports the branches, leaves, flowers, and fruits.
Transports water and minerals from roots to upper aerial plant parts.
Transports the prepared food from leaves to other parts.
Stores food as in the case of sugarcane.

Answer:

Functions of root:
The root,
Fixes the plant to the soil.
Absorbs water and minerals from the soil.
Stores food in some plants like carrots and beetroot.
Functions of stem:
The stem,
Supports the branches, leaves, flowers, and fruits.
Transports water and minerals from roots to upper aerial plant parts.
Transports the prepared food from leaves to other parts.
Stores food as in the case of sugarcane.

✓ Verified and validated
8I. Multiple Choice Questions.4 questions
Q.1Maize has ……….v
  1. A. taproot
  2. B. fibrous root
  3. C. Adventitious root
  4. D. Fasciculate root
Solution

(b) fibrous root

Answer:

(b) fibrous root

✓ Verified and validated
Q.2The underground part of the main axis of a plant is known as ______v
  1. A. shoot
  2. B. node
  3. C. root
  4. D. leaf
Solution

(c) root
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

Answer:

(c) root
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

✓ Verified and validated
Q.3The stalk of the leaf is knownv
  1. A. peduncle
  2. B. rachis
  3. C. pedicel
  4. D. petiole
Solution

(d) petiole

Answer:

(d) petiole

✓ Verified and validated
Q.4On the lower side of the leaf, there are tiny pores or openings known as ______v
  1. A. Leaf base
  2. B. midrib
  3. C. petiole
  4. D. stomata
Solution

(d) stomata

Answer:

(d) stomata

✓ Verified and validated
9II. Fill in the blanks.1 questions
Q.G3Special features in plants which help them to survive in the habitats they live are known as ………. The Great Indian Desert is an arid region of rolling sandhills on the Indian sub continent is known as ………. ………. is the main vein of the lamina of the leaf. A change in an organism caused by environmental factors is known as ………v
Solution

Adaptations
Thar desert
Midrib
Modification

Answer:

Adaptations
Thar desert
Midrib
Modification

✓ Verified and validated
10III. Arrange in the correct sequence.1 questions
Q.2Internode – Node – Axillary Bud – Terminal Budv
Solution

Terminal Bud – Axillary Bud – Node – Internodes.
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

Answer:

Terminal Bud – Axillary Bud – Node – Internodes.
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

✓ Verified and validated
11IV. Very short answer.1 questions
Q.4Give some examples of monocotyledonous plants and dicotyledonous plants.v
Solution

Monocotyledonous plant – Grass, Paddy, Maize
Dicotyledonous plant – Bean, Mango, Neem

Answer:

Monocotyledonous plant – Grass, Paddy, Maize
Dicotyledonous plant – Bean, Mango, Neem

✓ Verified and validated
12V. Answer in Details.1 questions
Q.1Explain Tendril climber.v
Solution

Tendril a twining climbing organ of some weak stemmed plants.
It coils around support and helps the plant to climb.
Sweet peas – Here leaflets are modified into tendrils.
Bitter gourd – Axillary buds of plant-modified into tendril, help climb up.
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

Answer:

Tendril a twining climbing organ of some weak stemmed plants.
It coils around support and helps the plant to climb.
Sweet peas – Here leaflets are modified into tendrils.
Bitter gourd – Axillary buds of plant-modified into tendril, help climb up.
Samacheer Kalvi 6th Science Guide Term 1 Chapter 4 The Living World of Plants

✓ Verified and validated
Back: Ch.3
Next: Ch.5