Question

Vy - 31:
Date :
Exam. No. :
Special Practice Exam. No. 3 (2020-2021)
Std.: 10th
Sub: Science and Technology-2
Marks : 40
Time: 2 Hours
Notes : i) All questions must be attempted.
ii) Wherever necessary scientifically correct diagrams and correct labelling should be drawn.
iii) Start every main question on a new page.
iv) Numbers to the right indicate marks.
v) For question no. 1(A) MCQ, marks will be given only for the first attempt.
vi) The answers to every MCQ should be written along its alphabet.
eg. i) a, ii) b.
Q.1 A] Choose the correct alternative and write it along with its allotted alphabet.
(5)
1) The disease related with the synthesis of insulin is
a) diabetes
b) cancer
c) heart attack d) anaemia.
2) Which special cells are present in the body of sponges (porifera) ?
a) Collar cells
b) Cnidoblasts
c) Germ cells d) Ectodermal cells
3) The principle of electromagnetic induction was invested by
a) Lord Rutherford b) Michael Faraday c) John Dalton d) Sir J. J. Thomson
4) Which of the following substance is suitable for the growth of Mucor ?
a) Dry and desiceated coconut powder b) Dry fruits sealed in container
c) Moist stale bhakri
d) Unpeeled fruits kept in refrigerator
5) Salts which can be used as supplement of calcium and iron are obtained from -------- acid.
a) amino
b) acetic
c) citric
d) gluconic
B] Solve the following subquestions.
(5)
1) Identify me :
I have chitinous exoskeleton. I have four pairs of walking appendages. I can sting you.
Who am I?
2) Match the column.
Protein [column 1] Parts of body [column II]
i) Haemoglobin a) bones
b) blood
3) Write the correlation.
Bisexual flower : Hibiscus ::
Unisexual flower :
4) State whether the following statement is true or false.
- Laughter club is a remedy to drive away stress.
IP.T.C​

Answer 1

Answer:

que 1 (a) 5

1 -a

2-a

3-b

4-

5-d

que 1 (b) 5

1-dragon fly

2- sry I don't know

3 bisexual flower- hibiscus

unisexual flower- coconut flower

4.true

Explanation:

please mark me as brainlist

Answer 2

Answer:

GOOD LUCK

Explanation:

MARK ME AS A BRAINLIEST PLEASE