जिल्हा परिषद माध्यमिक विद्यालय, विडूळ ता . उमरखेड जि. यवतमाळ
Online Exam
Class - 10 th , Sub :- Science and Technology Part - II, Marks - 40, Time - 2 Hours
Date - 31 / 03 / 2021 , Timing - 12 : 00 to 2 : 00
-----------------------------------------------------------------
Q.1. (A) Choose the correct option: [5]
i. Which of the following animals’ body shows bilateral symmetry?
a. Star fish.
b. Earthworm.
c. Jelly fish.
d. Sponge
ii. Bat is included in which class ?
(a) amphibia
(b) reptilia
(c) aves
(d) mammalia
iii. ----------------- divisions of the national disaster response force are working in India .
(a) 12
(b) 20
(c) 21
(d) 13
iv. Bacteria used as biofertilizer is ...........
(a) Escherichia
(b) Deinococcus
(c) Nostoc
(d) All of the above
v. Bird's .............. are modified into wings.
(a) forelimbs
(b) hindlimbs
(c) thorax parts
(d) nine of these
(B) Solve the following sub-questions: [5]
i. State true or false:
Our body irritates if it comes in contact with jelly fish.
ii. Write the correlated answer:
White revolution : Dairy :: Blue revolution : -- -- -- --.
iii. Find odd man out:
Planaria,Filarial, Liver fluke,Tape worm.
iv. Name two man made disasters.
v. Name the following ;
Though I am multicellular, there are no tissues in my body. What is the name of my phylum?
Q.2. (A) Give scientific reasons (any two): [4]
i. Sometimes, higher plants and animals too perform anaerobic respiration.
ii. It is possible to produce energy from mW to MW using solar photovoltaic cells.
iii. Enzymes obtained by microbial process are mixed with detergents.
(B) Answer the following questions (any three): [6]
i. Explain the importance of good communication with others.
ii. Why is it essential to get the training of first aid?
iii. What is menstrual cycle? Describe it in brief.
iv. Write short note - Chipko Movement of Bishnoi.
v. Distiguish between , Glycolysis and TCA cycle.
Q. 3. Answer the following Questions .(any Five ) (15)
i. Write the name of the phylum of given figure and explain the characterstics of that phylum .
ii. Complete the following conceptual picture related to environmental management.
iii. Complete the table.
(Motor accident, land sliding, forest fire, theft, riot, war, epidemic, drought, locust attack, financial crisis, flood, famine)
iv. What will you do?
Your brother studying in XII has developed the stress.
v. Explain the meaning of vaccination.
vi. Why is it necessary to ban the use of plastic bags ?
vii. Complete the following chart.
viii. Sketch, label and classify:
Round worm
Q. 4. Answer the following . (any one) (05)
i. With the help of suitable diagrams, explain the five stages of prophase-I of meiosis.
ii.Draw neat and labelled diagrams.
Energy transformation in solar thermal electric energy generation.
