Space Technology & Defence Systems – Revision & Practice (Page 4)
Shaktimatha Learning – Quick Revision (Unique English Edition)
Important One-Liners
- Space Technology involves satellites and rockets
- ISRO is India’s space agency
- NavIC is India’s navigation system
- PSLV is used for polar orbit missions
- GSLV is used for geostationary orbit missions
- Cryogenic engines provide high efficiency
- Hypersonic missiles travel above Mach 5
- ASAT destroys satellites in space
- Defence technology ensures national security
- Satellites support communication and surveillance
Fill in the Blanks
1. ISRO stands for ______
2. NavIC is a ______ system
3. PSLV is used for ______ orbit
4. Cryogenic engines provide ______ efficiency
5. Hypersonic speed is above ______
Match the Following
A) ISRO → 1) Defence
B) NavIC → 2) Space Agency
C) ASAT → 3) Navigation
D) Missile → 4) Weapon
Answers:
A-2, B-3, C-1, D-4
True or False
1. ISRO is a defence organization
2. NavIC is a navigation system
3. PSLV is used for geostationary orbit
4. Cryogenic engines are efficient
5. Hypersonic missiles are slow
Answers:
1. False
2. True
3. False
4. True
5. False
Quick MCQs
1. GSLV is used for?
A) Polar orbit
B) Geostationary orbit
C) Low orbit
D) None
2. ASAT is related to?
A) Navigation
B) Communication
C) Anti-satellite
D) Storage
3. Hypersonic speed means?
A) Low speed
B) Medium speed
C) Very high speed
D) None
Answer Key
1. B
2. C
3. C
Exam Strategy Tip
Revise daily and practice MCQs to strengthen your concepts and improve accuracy.
Shaktimatha Learning | Mega Learning Library
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