Thin And Thick Cylinders(Mechanics Of Materials ) Questions and answers for exam Preparation

Question 1. Saprotrophs are also known as _________

Detritus Feeders
Decomposers
Tertiary consumers
Omnivores

Explanation:-

Answer: Option A. -> Detritus Feeders
Answer: (a).Detritus Feeders

Question 2. ____________ is a network of food chain of different types of organisms.

Food web
Food network
Food system
Food cache

Explanation:-

Answer: Option A. -> Food web
Answer: (a).Food web

Question 3. Energy does not recycle.

True
False
May be True or False
Can't say

Explanation:-

Answer: Option A. -> True
Answer: (a).True

Question 4. Energy flows through the ecosystem in the form of __________ bonds.

C-C
N-N
O-O
F-F

Explanation:-

Answer: Option A. -> C-C
Answer: (a).C-C

Question 5. Ecological pyramids were first devised by __________

Earnest Haeckel
Roger Federer
Charles Eltan
Smith Nell

Explanation:-

Answer: Option C. -> Charles Eltan
Answer: (c).Charles Eltan

Question 6. Rate of demand is also known as __________

Domestic demand
Per capita demand
Commercial demand
Livestock demand

Explanation:-

Answer: Option B. -> Per capita demand
Answer: (b).Per capita demand

Question 7. Water works are generally design with design period of __________

25 years
30 years
45 years
50 years

Explanation:-

Answer: Option B. -> 30 years
Answer: (b).30 years

Question 8. Which of the following is correct?

Phytoplankton-zooplanktons- fish
Zooplanktons -protozoan-fish
Grass- fish- zoo plankton
Zooplanktons- phytoplankton-fish

Explanation:-

Answer: Option A. -> Phytoplankton-zooplanktons- fish
Answer: (a).Phytoplankton-zooplanktons- fish

Question 9. Wholesome water is also known as _________

Palatable water
Quality water
Lethal water
Toxic water

Explanation:-

Answer: Option A. -> Palatable water
Answer: (a).Palatable water

Question 10. What is a design period for storage dam?

45 years
50 years
60 years
90 years

Explanation:-

Answer: Option B. -> 50 years
Answer: (b).50 years