Uploaded by lakshmi priya

Grade 7 Sci - worksheet 1(nutrition in plants)

advertisement
ALPHA CBSE SCHOOL, PORUR
GRADE 7 SCIENCE
WORKSHEET-1
NUTRITION IN PLANTS
1. Choose the correct answer.
A. Which is the simplest form of food formed during photosynthesis?
a. Protein
b. Glucose
c. Fat
d. Starch
B. Which of these plants has Rhizobium in its root nodules?
a. Gram
b. Peas
c. Bean
d. All
C. Carbon dioxide present in air is taken in by plants with the help of_________
a. Epidermis
b. Vein
c. Stomata
d. Guard cell
2. Fill in the blanks.
a. The food made by the leaves is ______
b. _______ gets nutrients from decaying plants and animal matter
c. Carbon dioxide + _______
________ + _______
3. Unscramble the following terms.
a. RONUTIITN
b. TAMASOT
c. CULGSOE
d. ROPHYLCHLO
4. Identify the mistake in the given statements and put a cross mark (x) and correct the
statement. If particular statement is correct put a tick mark (✓).
a. Carbon dioxide, present in the air is taken in by animals.
b. Monotropa and Mushrooms are the examples of saprophytic plants.
c. Food is stored in the plants in the form of phloem.
5. Answer the following questions in brief.
a. Identify the name of plant shown in the figure 1.What mode of nutrition does it exhibit?
b. Farmers always grow a leguminous crop between two main crops. Explain why.
Figure 1
6. Write T for true and F for false statements.
a. Green plants prepare their food hence they are autotrophs.
b. Carbon dioxide gas is released in the process of photosynthesis.
c. Carnivores are flesh eating animals.
d. Minute pores on the leaf surface are called stomata.
e. Cuscuta is an insectivorous plant.
7. Match the following:
Download