Question

Date :
14/ 2021
Subject : Science and Technology - II
Time: 8 to
तुकाराम
ता. कोपरगाव
व्य उत्तरपत्रिका जोडले
प्र.क्र
10
Instruction:1) All questions are compulsary.
2) Numbers to the write of the questions indicate full marks.
3) In case of MCQS (Q. No. 1A) only the first attempt will be evaluated and will be
given credit.
4) For each MCQ the corret alternative (A) (B) (D) with subquestion number is to be
written as an answer for Eg-I)A ii) B iii) C.
5) Scientifically correct, labelled diagrams should be drown wherever necessary.
Q.1 A) Choose the correct alternative and write correct option.
1) Information about protein synthesis is stored in the
A) DNA
B) mRNA
C) tRNA
D)rRNA
2)
are responsible for cleaning the environment.
A) Producers
B) Primary consumers
C) Decomposers
D) Secondary consumers
3) Solar cell are made up of
semiconduction material.
A) Silicon B) Germanium
C) Lithium
D) Aluminium
Salts which can be used as suppliment of calcium and iron are abtained
acid.
A) Acetic acid B) Gluconic acid C) Citric acid D) Amino acid
5)
had published a book titled "Origin of Species."
A) Lamark B) Willard Libby C) Darwin
D) Mendel
Q.1 B) Answer the following questions.
1) Identify correlation.या प्रश्नोत्तरी ​

Answer 1

Answer:

all the plants and animals in a particular area considered together with their surroundings

Explanation:

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