Question
Explain asexual reproduction in plants.
✓
Answer
(i) Reproduction in plants with the help of vegetative parts like root, stem, leaf and bud is called as vegetative reproduction.
(ii) Vegetative propagation in potatoes is performed with the help of eyes present on tuber whereas in Bryophyllum, it is performed with the help of buds present on leaf margin.
(iii) In case of plants like sugarcane and grasses, vegetative propagation occurs with the help of buds present on nodes.
(iv) Plants like carrot and raddish perform vegetative propagation with the help of roots.
(v) Plants like spirogyra reproduces asexually by fragmentation.
(vi) When there is plenty of water and nutrients available to spirogyra, its filaments grow up very fast and break up into many small fragments. Each fragment starts to live independently as a new spirogyra fibre.
(ii) Vegetative propagation in potatoes is performed with the help of eyes present on tuber whereas in Bryophyllum, it is performed with the help of buds present on leaf margin.
(iii) In case of plants like sugarcane and grasses, vegetative propagation occurs with the help of buds present on nodes.
(iv) Plants like carrot and raddish perform vegetative propagation with the help of roots.
(v) Plants like spirogyra reproduces asexually by fragmentation.
(vi) When there is plenty of water and nutrients available to spirogyra, its filaments grow up very fast and break up into many small fragments. Each fragment starts to live independently as a new spirogyra fibre.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Write short note :
Inner-Transition Elements.
Inner-Transition Elements.
Why is variation during reproduction beneficial to the species but not necessarily for the individual?
Write short notes: Structure of the modern periodic table.
1 Dietary fibre — found mainly in fruits, vegetables, whole grains and legumes — is probably best known for its ability to prevent or relieve constipation. But foods containing fibre can provide other health benefits as well, such as helping to maintain a healthy weight and lowering your risk of diabetes, heart disease and some types of cancer. Dietary fibre, also known as roughage or bulk, includes the parts of plant foods your body can’t digest or absorb. Unlike other food components, such as fats, proteins or carbohydrates — which your body breaks down and absorbs — fibre isn’t digested by your body. Instead, it passes relatively intact through your stomach, small intestine and colon and out of your body.
Questions and Answers :
(1) Which food items provide rich fibre content?
(2) Enlist the advantages of fibres in diet.
(3) Are fibres digested in the body?
(4) Which is the path through which fibres pass in the digestive tract?
(5) What is a roughage?
Questions and Answers :
(1) Which food items provide rich fibre content?
(2) Enlist the advantages of fibres in diet.
(3) Are fibres digested in the body?
(4) Which is the path through which fibres pass in the digestive tract?
(5) What is a roughage?
The sea water contains water beetles, tadpole, fish and weeds.
-
Write a food chain comprising all the given organisms?
-
Which organisms in the food chain are (i) herbivore, and (ii) carnivores?
-
Which organisms are (i) predators, and (ii) prey?
-
Which organisms can trap solar energy to make food?
-
Which organism is a secondary consumer?
Draw a labelled diagram of the human respiratory system.
Calculate the combined resistance in each case:
An object is placed at a distance of 10 cm from a convex lens of focal length 12 cm, find out at what distance image will be formed from the lens and what is the nature of image.
what are the physical properties of metals and nonmetals?
Mock Drill is useful.