CBSE Class 8 Science Revision Assignment Set G

CBSE Class 8 Science Revision Assignment Set G. Students are advised to refer to the attached assignments and practice them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.

Multiple Choice Questions- Tick the correct answer

Q1. An example of a unicellular cell is

i. Euglena ii. Tapeworm iii. Grasshopper iv. All of these

Q2. The smallest cell in the human body is

i. White Blood Cells ii . Red Blood cells iii. Platelets iv. All of these

Q3. Cells that change their shape continuously

i. Amoeba ii. White blood cell iii. Red blood cell iv. Both i.& 2

Q4. Cell was discovered by

i. Robert Hooke ii. Louis Pastuer iii. A. Fleming iv. None of these

Q5. These are the structural and functional units of life

i. Tissue ii. Cell iii. Organ iv. Organism

II Very short answer type questions

i. With the help of which instrument can minute cells be observed?

ii. Define tissue.

iii. Complete the flow chart on the levels of organisation in multicellular organisms.

Cell→------ ----→------------ Organ system →-----------

iv. Hydra reproduces by ________________.

v. What are the green colour plastids fond in plants called?

III Short answer type questions:

i. How do unicellular organisms differ from multicellular organisms?

ii. How is food assimilated in amoeba?

iii. What part of the cell can be called the brain of the cell? Why?

iv. The cells in a tissue have identical shapes and perform identical functions. Do you agree? Give reasons.

IV . Match the following

                   A                                   B

i. Desert National Park               a. Wild Boar

ii. Kaziranga National Park         b. Royal Bengal Tiger

ii. Marine National Park             c. Tiger

iv. Sunderbans National Park     d. Elephant

v. Dudwa National Park             e. Desert Fox

vi. Corbett National Park           f. Black Buck

vii. Bandipur National Park        g. Coral Reefs

V. Long Answer Type questions

i. Why do you think parents and doctors get very worried if a child gets a head or spinal injury?

ii. “A diverse world of animals and plants is of great importance to all of us.”Give reasons to support this statement.

I. Multiple Choice Questions- Tick the correct answer

a. Nutrients are substances present in

i. Water ii. Food iii. Plant iv. Nutrition

b. Raw materials used for photosynthesis are

i. Carbon Dioxide ii. Water iii. Both a&b iv. None of these

c. Potato, tomato and pea are used to make vegetable curry. These are

i. Useful material ii. Good material iii. Raw material iv. Spicy material

d. Green plants are called

i. Producers ii. Consumers iii. Saprophytes iv. None of these

e. The type of nutrition in green plants is known as

i. Autotrophic nutrition ii. Holozoic nutrition iii. Heterotrophic nutrition Plant

iv. Homotrophic Nutrition

II Very Short answer Type questions

Give one word answer:

i. The gas used by plants for the synthesis of starch. _________

ii. ___________ in green plants is necessary for photosynthesis.

iii. Plants absorb Carbon Dioxide from the air through___________ in the leaves.

iv. The ultimate source of all the energy needs of our body .____________

v. Non green plants that live on dead and decayed plants and animals ._________

III Short Answer type questions

i. Mention the role of chlorophyll in photosynthesis.

ii. Name different types of teeth found in omnivores.

iii. Differentiate between inhalation and exhalation.

iv. Write special characteristics of herbivores and carnivores.

v. Define nutrition. Name two kinds of nutrition.

IV Long answer type questions:

i. Why cannot animals make food from carbon dioxide , water and sunlight like plants do?

ii. Why can’t our body use food in the form in which we eat it? Give reasons.

Please click the link below to download CBSE Class 8 Science Revision Assignment Set G