SSC (English Medium)
SSC (Marathi Semi-English)
Academic Year: 2021-2022
Date: March 2022
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Note:
- All questions are compulsory.
- Whenever necessary scientifically correct diagrams and correct labelling should be drawn.
- Figure to the right of questions indicates full marks.
- Start every main question on a new page.
- For question No. 1(A) MCQ marks will be given only for the first attempt.
- The answer to every MCQ should be written as shown Eg: 1(A)
Which of the following vitamins is necessary for the synthesis of NADH2?
Vitamin B3
Vitamin C
Vitamin B2
Vitamin K
Chapter: [0.02] Life Processes in Living Organisms Part -1
___________ is an indeterminate species.
Red panda
Lion
Lion tailed monkey
Giant squirrel
Chapter: [0.04] Environmental Management
Which of the following is a hermaphrodite animal?
Doliolum
Scorpion
Centipede
Cockroach
Chapter: [0.06] Animal Classification
________ is a substance obtained by microbial processing that functions as an artificial sweetener.
Nycin
Lysine
Xanthenes
Xylitol
Chapter: [0.07] Introduction to Microbiology
At the earliest stage of development, the organism is in the form of a mass of a cell, which are almost alike, those cells are called ____________.
Stem cells
RBC
WBC
None of these
Chapter: [0.08] Cell Biology and Biotechnology
Which process is shown in the diagram given below?
Chapter: [0.01] Heredity and Evolution [0.01] Heredity and Evolution [0.01] Heredity and Evolution
Complete the following concept chart.
Chapter: [0.09] Social Health
Find an odd one out.
Sodium
Aluminium
Phosphorus
Potassium
Chapter: [0.04] Environmental Management
Hydroelectric power station : Water stored in dams : : Nuclear power station : ____________
Chapter: [0.05] Towards Green Energy
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Match the following.
| Column A | Column B |
| 1) Morphological evidences | a) Tail-bone or wisdom teeth |
| 2) Paleontological evidences | b) Leaf venation |
| c) Fossils |
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
Give scientific reason.
The new individual produced by sexual reproduction always has the recombined genes of both the parents.
Chapter: [0.03] Life Processes in Living Organisms Part - 2
Give scientific reason
It is possible to produce energy from mW to MW using solar photovoltaic cells.
Chapter: [0.05] Towards Green Energy
Give scientific reason.
Alcoholism is always bad.
Chapter: [0.09] Social Health
Write a short note.
Microbial Enzymes
Chapter: [0.07] Introduction to Microbiology
Complete the following table.
| Type of Disaster | Effects |
| A. ____________ | Injuries, emotional and mental stress, Outbreaks of epidemics, deaths of victims. |
| B. Environmental | ________________ |
Chapter: [0.1] Disaster Management
Distinguish between the following.
Binary fission and Multiple fission
Chapter: [0.03] Life Processes in Living Organisms Part - 2 [0.15] The Life Cycle
Explain the advantages of cell division to your friend.
Chapter: [0.02] Life Processes in Living Organisms Part -1
Explain the given concept with the help of examples.
Ecosystem Diversity
Chapter: [0.04] Environmental Management
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Complete the paragraph by selecting the appropriate option in parentheses.
(energy, microbial, erosion-proof, reused, purification, environmentally friendly)
Nowadays, instead of chemical catalysts, _______ enzymes are used in the chemical industry. These enzymes are active at low temperature, pH and pressure; due to which _______ is saved and _______ instruments are also not necessary. Enzymes carry out specific processes; hence unnecessary by-products are not formed due to which expenses on _______ are minimised. In case of microbial enzymatic reactions elimination and decomposition of waste material is avoided and enzymes can be _______ Hence, such enzymes are _______.
Chapter: [0.07] Introduction to Microbiology
‘Surrogacy, In Vitro Fertilization (IVF), Sperm Bank/Semen Bank etc. modern technology will be useful to humans.’ support this statement.
Chapter: [0.03] Life Processes in Living Organisms Part - 2
What will you do? Why?
Your sister has become incommunicative. She prefers to remain alone.
Chapter: [0.09] Social Health
What will you do? Why?
You are spending more time in internet/mobile games, phone, etc.
Chapter: [0.09] Social Health
What will you do? Why?
You have to use free space around your home for good purpose.
Chapter: [0.09] Social Health
What is the meaning of the symbol shown in the figure with respect to environment?
Chapter: [0.04] Environmental Management
What is the meaning of the symbol shown in the figure with respect to environment?
Chapter: [0.04] Environmental Management
What is the meaning of the symbol shown in the figure with respect to environment?
Chapter: [0.04] Environmental Management
Complete the following concept map.
Chapter: [0.02] Life Processes in Living Organisms Part -1
Complete the flowchart.
Chapter: [0.01] Heredity and Evolution [0.16] Mapping Our Genes
What is a catastrophic disaster? Give an example.
Chapter: [0.1] Disaster Management
Observe the given diagram and answer the questions.
- Which type of energy is generated?
- This power station depends on which factors?
- Is it environment friendly?
Chapter: [0.05] Towards Green Energy
Answer the questions based on the given paragraph.
Lady Bug Beetle
Lady bug beetles are friends of farmers as they destroy harmful insects. It is a predatory insect, which lives on biting worm, white fly worm, white moth, flower insects and bread worms. It acts as a natural insecticide for crops like maize, jawar, cotton, sugarcane, cereals, vegetables, fruit trees, etc. These are attractive red or yellow or grey coloured insects. Many species of this insect are found in our farms. The lifecycle of this insect follows eggs, larvae, cocoon and moth stages. The eggs are found in flutter. The larvae are grey in colour. Larvae and adults both live on sucking insects.
- How does the lady bug beetle live?
- Of which colour the lady bug beetles are?
- State the stages of its lifecycle.
- How does it help the farmers?
Chapter: [0.06] Animal Classification
What is organic farming? Why is there an emphasis on organic farming nowadays?
Chapter: [0.08] Cell Biology and Biotechnology
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