Register Now and enjoy 25% off on your first 5 courses (Published Courses & Group / Batch Classes)
1. Introduction to plant nutrition.
2. Soil and plant growth.
1. Why do organisms take food?
2. Distinguish between a parasite and a saprotroph.
3. How would you test the presence of starch in leaves?
4. Give a brief description of the process of synthesis of food in green plants.
5. Show with the help of a sketch that plants are the ultimate source of food.
6. Fill in the blanks: (a) Green plants are called _________________ since they synthesize their own food.
(b) The food synthesized by plants is stored as _________________.
(c) In photosynthesis solar energy is absorbed by the pigment called ___________.
(d) During photosynthesis plants take in ______________________ and release __________________ gas.
7. Name the following:
(i) A parasitic plant with yellow, slender and branched stem.
(ii) A plant that is partially autotrophic.
(iii) The pores through which leaves exchange gases.
8. Tick the correct answer:
(a) Cuscuta is an example of:
(i) autotroph (ii) parasite (iii) saprotroph (iv) host
(b) The plant which traps and feeds on insects is:
(i) Cuscuta (ii) china rose (iv) pitcher plant (iv) rose
9. Match the items given in Column I with those in Column II:
Column I Column II
Chlorophyll Rhizobium
Nitrogen Heterotrophs
Cuscuta Pitcher plant
Animals Leaf
Insects Parasite
10. Mark ‘T’ if the statement is true and ‘F’ if it is false:
(i) Carbon dioxide is released during photosynthesis. (T/F)
(ii) Plants which synthesis their food are called saprotrophs. (T/F)
(iii) The product of photosynthesis is not a protein. (T/F)
(iv) Solar energy is converted into chemical energy during photosynthesis. (T/F)
11. Choose the correct option from the following:
Which part of the plant takes in carbon dioxide from the air for photosynthesis?
(i) Root hair (ii) Stomata (iii) Leaf veins (iv) Petals
12. Choose the correct option from the following: Plants take carbon dioxide from the atmosphere mainly through their:
(i) roots (ii) stem (iii) flowers (iv) leaves
13. Why do farmers grow many fruits and vegetable crops inside large green houses? What are the advantages to the farmers?
0 Rating
00:02:53
00:08:58
Q.1. Why do organisms take food? Q.2. Distinguish between a parasite and a saprotroph. Q.3. How would you test the presence of starch in leaves? Q.4. Give a brief description of the process of synthesis of food in green plants.
Show with the help of a sketch that plants are the ultimate source of food. Q.6. Fill in the blanks: (a) Green plants are called _________________ since they synthesise their own food. (b) The food synthesised by plants is stored as _________________. (c) In photosynthesis solar energy is absorbed by the pigment called ___________. (d) During photosynthesis plants take in ______________________ and release __________________ gas. Q.7. Name the following: (i) A parasitic plant with yellow, slender and branched stem. (ii) A plant that is partially autotrophic. (iii) The pores through which leaves exchange gases. 8. Tick the correct answer: (a) Cuscuta is an example of: (i) autotroph (ii) parasite (iii) saprotroph (iv) host 8. Tick the correct answer: (b) The plant which traps and feeds on insects is: (i) Cuscuta (ii) china rose (iv) pitcher plant iv) rose
9. Match the items given in Column I with those in Column II: Column I Column II Chlorophyll Rhizobium Nitrogen Heterotrophs Cuscuta Pitcher plant Animals Leaf Insects Parasite
Q. 10. Mark ‘T’ if the statement is true and ‘F’ if it is false: (i) Carbon dioxide is released during photosynthesis. (T/F) (ii) Plants which synthesise their food are called saprotrophs. (T/F) (iii) The product of photosynthesis is not a protein. (T/F) (iv) Solar energy is converted into chemical energy during photosynthesis. (T/F) Q.11. Choose the correct option from the following: Which part of the plant takes in carbon dioxide from the air for photosynthesis? (i) Root hair (ii) Stomata (iii) Leaf veins (iv) Petals Q. 12. Choose the correct option from the following: Plants take carbon dioxide from the atmosphere mainly through their: (i) roots (ii) stem (iii) flowers (iv) leaves Q.13. Why do farmers grow many fruits and vegetable crops inside large green houses? What are the advantages to the farmers?
Why the Cell is called the structural and functional unit of life? What are the three basic components of a cell? Organisms show varie
Q. 1. State differences between acids and bases. Q.2. Ammonia is found in many household products, such as window cleaners. It turns red litm
25% off Convert between BINARY, OCTAL, DECIMAL & HEXADECIMAL numbers with ease and increase your analytical and critical thinking skills.
Where do animals get their food from? Why do we have to eat food? Since we all need food, how can we provide food to a large number of people in o
1. Who discovered the cells? 2. What are the three basic components of cell theory? 3. Name the two scientists who are usually credited for developi
1. What is cell wall? Whether cell wall is found in animal cells? 2. From which substance the cell wall is mainly composed of? 3. What is the benefi
In this course, we will discuss : 1. Meaning of Cyber Security 2. Some statistics related to Cyber Security 3. Importance of Cyber Security 4. Sys
Can air, water and soil be exhausted by human activities? You have already studied about water in Class VII. Is water a limitless resource? In the l
What is the meaning of sustainable development? What are the three core elements of sustainable development? How can we achieve sustainable develop
A computer virus is a malicious software program which has the ability to make copies of itself. The computer virus infects the files and programs p
Full chapter explanation which will cover the following : 1. What is the meaning of lightning? 2. What are the various types of lightning? 3. Wha
In this course, we will learn: 1.What is the meaning of Data? What is the meaning of Information? What is the difference between Da
Q.1. Name the elements that determine the weather of a place. Q.2. When are the maximum and minimum temperatures likely to occur during the day? 3.
Q1. In a school athletic meet, a boy ran at a speed of 2m/s and stood first in a 200m race. How much distance is covered by him per second?
In this course, we will discuss the complete chapter including the following questions : Q.1. Name two types of fibers with examples. Q.2. Give tw
Deforestation is the removal of a forest or stand of trees from land and using that land for other purposes. - Causes of Deforestation are man-made a
Q.1. Which of the following can be beaten into thin sheets? (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Q. 2. Which of the followi
Q.1. : Explain why some fibers are called synthetic Q.2: Mark the correct answer : Rayon is different from synthetic fibers because (a) It
Today, we will try to find out the answers to these questions: Q.1. What are the different ways in which water gets contaminated? Q.2. : At an ind
In this course, we will discuss : What is the meaning of nutrition? Write a few lines on the five steps involved in the process of nutrition
