If you are looking for DAV Class 5 Science Chapter 2 Question Answer Plants of my living workd book, then you are at right place. Here at SOLUTIONGYAN.Com, DAV Class 5 Science of chapter 2 exercises provided at the end of the chapter will be a useful resource for DAV Class 5 Science exams.
Here, we provide complete solutions of DAV Class 5 Science Chapter 2 Plants of My Living World science book. These exercise of Science chapter 2 contains 5 questions and the answers to them are provided in the DAV Class 5 Science Chapter 2 Question Answer Plants.
Solutions of DAV Class 5 Science chapter 2 Plants is help to boost the writing skills of the students, along with their logical reasoning. Students of class 5 can go through Science chapter 2 question answers to learn an effective way of expressing their answer in the DAV school exam.
DAV Class 5 Science Chapter 2 Plants Solutions
DAV Class 5 Science Chapter 2 Plants Solutions is given below. Here DAV Class 5 Science chapter 2 question answer is provided with great explanation.
Highlights
- Fill in the blanks
- Match the following
- Tick the correct option
- Answer the following questions in brief
- Answers the following questions
DAV question answer of Class 5 of My Living World Science Textbook is the best source for the students to self-analyse their performance. DAV Class 5 students are more likely to score good marks in Science exam if they practise DAV Class 5 Science Chapter 2 Question Answer Plants regularly.
DAV Class 5 Science Chapter 2 Question Answer
A. Fill in the blanks.
1. ___________ are known as food factories of the plant.
2. Plants, like ___________, reproduce through roots.
3. ___________ and ___________ are the raw materials needed for photosynthesis.
4. ___________ is a small hole present on the seed.
5. Movement of seeds, from one place to another, is called ___________.
Answer: (1) Leaves (2) dahlia (3) carbon dioxide, water (4) Micropyle (5) seed dispersal.
B. Match the following:
Answer: 1. e 2. a 3. b 4. c 5. d
C. Tick the correct option.
1. The small baby plant, coming out of a seed is known as the-
Answer: seedling
2. The process, by which a plant makes its own food, is called-
Answer: photosynthesis
3. Which of these plants has only one cotyledon?
Answer: wheat
4. For proper germination, a seed need-
Answer: water, air as well as the appropriate temperature
5. Lotus seeds are dispersed mainly through-
Answer: water
D. Answer the following questions in brief.
1. Name the pigment present in green leaves of a plant.
Answer: chlorophyll
2. Why do some plants feeds on insects?
Answer: Some plants need extra food in addition to what they prepare by photosynthesis because these plants grow in poor soil which lacks nitrogen salts. So, they get their extra nourishment from insects.
3. Name the two methods of reproduction in plants.
Answer: two methods of reproduction in plants are:
- Vegetative reproduction
- Reproduction through seeds
4 State the conditions required for the proper germination of a seed.
Answer: water, air as well as the appropriate temperature are required for the proper germination of a seed.
5. Name two plants that reproduce through stem cuttings.
Answer: Rose and sugarcane.
E. Answers the following questions.
1. Why do all seeds not germinate to form new plants?
Answer: All seeds do not get appropriate amount of water, air and correct warmth which are necessary for germination of seeds.
2. Seeds do not germinate when they are kept in an ice-box or refrigerator. Why?
Answer: Seeds do not germinate when they are kept in an ice box or refrigerator because they do not get appropriate warmth which is necessary for the germination of a seed.
3. State the importance of vegetative reproduction in plants.
Answer: It is an easier and faster method of increasing the number of the same plant. It also helps to grow plants, like banana, which bear no seeds.
4. List any three natural ways of seed dispersal. Give one example for each of them.
Answer: Three natural ways of seed dispersal are:
- Dispersal by wind – Cotton seeds.
- Dispersal by water – Lotus seeds.
- Dispersal by birds, insects and rodents – grains.
5 How can one grow a rose plant without seeds?
Answer: one can grow a rose plant without seeds with the help of stem cutting method of vegetative reproduction.
6. State the function of following:
(a) Seed coat – it provides a protective layer to the cotyledons.
(b) Cotyledons – cotyledons store food for the baby plant to grow.
(c) Micropyle – allows water to enter into seed.
7. Write the ways of dispersal of seeds in the following plants.
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