SSC (English Medium)
SSC (Marathi Semi-English)
Academic Year: 2019-2020
Date & Time: 18th March 2020, 11:00 am
Duration: 2h
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- All questions are compulsory.
- Use of calculator is not allowed.
- The numbers to the right of the questions indicate full marks.
- In case of MCQs [Q. No. 1(A)], only the first attempt will be evaluated and will be given credit.
- For every MCQ, the correct alternative (A), (B), (C) or (D) with sub-question number is to be written as an answer.
For e.g. (i) (A), (ii) (B), (iii) (C). - Scientifically correct, labelled diagrams should be drawn wherever necessary.
Transfer of information from molecules of DNA to mRNA is called as ______ process.
Gene
Mutation
Translocation
Transcription
Gradual development
Appendix
Chapter: [0.01] Heredity and Evolution
Body breaks up into several fragments and each fragment starts to live as a new individual. This is ______ type of reproduction.
Budding
Fragmentation
Regeneration
Binary fission
Chapter: [0.03] Life Processes in Living Organisms Part - 2
Incomplete combustion of fuels leads to formation of _______.
Carbon monoxide
Carbon dioxide
Chlorofluorocarbon
Hydrogen sulphide
Chapter: [0.05] Towards Green Energy
The spindle fibres start appearing from _______ stage of karyokinesis.
Prophase
Metaphase
Anaphase
Telophase
Chapter: [0.02] Life Processes in Living Organisms Part -1
Salts which can be used as supplement of calcium and iron are obtained from ______ acid.
gluconic acid
coagulation
amino acid
acetic acid
Clostridium
Lactobacilli
Chapter: [0.07] Introduction to Microbiology
Find odd one out:
Drying
Salting
Cooking
Soaking with sugar
Chapter: [0.08] Cell Biology and Biotechnology
Write the correct co-relation:
Annelida: Earthworm :: Platyhelminthes: _______
Chapter: [0.06] Animal Classification
Tobacco containing substances cannot cause cancer of mouth and lungs.
True
False
Chapter: [0.09] Social Health
State the function of Testes.
Chapter: [0.03] Life Processes in Living Organisms Part - 2
I am connecting link between Reptilia and mammals. What is my name?
Chapter: [0.06] Animal Classification
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Give scientific reasons.
Indians should follow family planning for controlling the population.
Chapter: [0.03] Life Processes in Living Organisms Part - 2
Give scientific reason.
We feel exhausted after exercising.
Chapter: [0.02] Life Processes in Living Organisms Part -1
Give a scientific reason:
Hydroelectric energy, solar energy and wind energy are called renewable energies.
Chapter: [0.05] Towards Green Energy
Complete the following chart:
Chapter: [0.04] Environmental Management
Distinguish between Aves and Mammalia.
Chapter: [0.06] Animal Classification
By observing the given picture, write any two effects of this disaster:
Chapter: [0.1] Disaster Management
Which are various ways to minimize stress?
Chapter: [0.09] Social Health
Complete the following conceptual picture:
Chapter: [0.07] Introduction to Microbiology
Explain the importance of Anatomical evidences with examples.
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
What will you do? Why?
Child of your neighbor is addicted to tobacco chewing.
Chapter: [0.09] Social Health
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What will you do? Why?
Your friend has developed the hobby of snapping selfies.
Chapter: [0.09] Social Health
What will you do? Why?
Your sister has become incommunicative. She prefers to remain alone.
Chapter: [0.09] Social Health
Which precautions are necessary for proper decomposition of domestic waste?
Chapter: [0.07] Introduction to Microbiology
Observe the following diagram. Write the answers of the following questions.
- To which phylum does the animal included in the diagram belong?
- What is the exoskeleton made up?
- What is the symmetry?
Chapter: [0.06] Animal Classification
Explain the following concept in short:
Surrogacy
Chapter: [0.03] Life Processes in Living Organisms Part - 2
Explain the following concept in short:
In-Vitro Fertilization (IVF)
Chapter: [0.03] Life Processes in Living Organisms Part - 2
Explain the following concept in short:
Sperm Bank
Chapter: [0.03] Life Processes in Living Organisms Part - 2
Label the body organization of human in the following figure:
Chapter: [0.06] Animal Classification
Make a table based on forms of energy and corresponding devices:
| Forms of Energy | Devices | |
| a. | Electric | _________ |
| b. | Mechanical | Sewing machine, Bicycle |
| c. | Thermal | __________ |
| d. | _________ | Solar cooker, Solar heater |
Chapter: [0.05] Towards Green Energy [0.05] Towards Green Energy
Complete the paragraph using proper words:
(Mechanical, Rhizobium, Aquatic, Toxic, CO2, Nitrogen, Pseudomonas, Amoeba, Bacteria, Hydrocarbons)
Spilling of petroleum oil occurs in ocean due to various reasons. This oil may prove fatal and toxic to _______ organisms. It is not easy to remove the oil layer from surface of water by _______ method. However, bacteria like _______ spp. and Alcanivorax borkumensis have the ability to destroy the pyridines and other chemicals. Hence, these _______ are used to clear the oil spills, These are called as hydrocarbonoclastic bacteria (HCB). HCB decompose the _______ and bring about the reaction of carbon with oxygen. _______ and water is formed in this process.
Chapter: [0.07] Introduction to Microbiology
Attempts at various levels are performed for conserving environment. Which role would you like to perform. Give two actions each:
- Prevention
- Control
- Production
- Awareness
- Conservation
Chapter: [0.04] Environmental Management
What is Biotechnology?
Chapter: [0.08] Cell Biology and Biotechnology
Give one use of Biotechnology.
Chapter: [0.08] Cell Biology and Biotechnology
Give any two commercial uses of Biotechnology.
Chapter: [0.08] Cell Biology and Biotechnology
Write two bacterial examples of biofertilizer.
Chapter: [0.08] Cell Biology and Biotechnology
Write two names of crops genetically developed.
Chapter: [0.08] Cell Biology and Biotechnology
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