20
Q:

Damage to hearing is caused by sounds which exceed

A) 70 decibels B) 80 decibels
C) 100 decibels D) 120 decibels

Answer:   D) 120 decibels



Explanation:

High frequency sound attacks the tympanic memberance and makes it defective. 120 decibels is too high a pitch to be heard and therefore it impairs the hearing ability.

Subject: Biology
Q:

Amarbel is an example of

A) parasite B) host
C) autotroph D) saprotroph
 
Answer & Explanation Answer: A) parasite

Explanation:

Amarbel is an example of parasite.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Biology
Exam Prep: CAT , AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

0 0
Q:

Stress is a factor that contributes to heart disease risk.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

True, Stress is a factor that contributes to heart disease risk.


More factors that contributes to heart disease risk are blood pressure, cholesterol, smoking, physical inactivity and overeating.

Report Error

View Answer Workspace Report Error Discuss

Subject: Biology
Exam Prep: CAT , AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

0 4
Q:

Which is a function of a protein macromolecule?

A) Cushions the internal organs of an animal B) Provides the building instructions for living things
C) Makes up the connective tissue in tendons D) Makes the leaves of plants waterproof
 
Answer & Explanation Answer: C) Makes up the connective tissue in tendons

Explanation:

The function of a protein macromolecule is

- Moving things in and out of cells.

- Transporting other molecules in the body.

- Making up the connective tissue in tendons.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

0 0
Q:

REM sleep is also known as paradoxical sleep because

A) Measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving. B) The person can have night terrors during this stage but will not remember them in the morning. (E) Th e person's vital signs are very slow, but the person can get up and walk around
C) Measures of the brain activity closely resemble waking consciousness, but the person is in the deepest stage of sleep. D) The person's heart rate is slower than when awake, but the person can sleepwalk or sleep talk.
 
Answer & Explanation Answer: A) Measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving.

Explanation:

REM sleep i.e, Rapid Eye Movement sleep is also known as paradoxical sleep because the measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving as the brain is in fully active mode that time.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

0 16
Q:

Which lists the correct order of evolutionary history?

A) jellyfish, reptiles, mammals B) mammals, crabs, reptiles
C) reptiles, jellyfish, mammals D) crabs, mammals, reptiles
 
Answer & Explanation Answer: A) jellyfish, reptiles, mammals

Explanation:

The correct order of evolutionary history from the above given options is jellyfish, reptiles, mammals.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

1 34
Q:

Hypercalcemia can be caused by

A) malignancy B) hyper-parathyroidism
C) both A & B D) None of the above
 
Answer & Explanation Answer: C) both A & B

Explanation:

Hypercalcemia is a condition in which the calcium level in your blood is above normal. Too much calcium in your blood can weaken your bones, create kidney stones, and interfere with how your heart and brain work.

Hypercalcemia_can_be_caused_by1550553960.png image

Hypercalcemia is usually a result of overactive parathyroid glands.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

0 51
Q:

When is cladistics more useful than linnaean taxonomy?

A) nomenclature B) classification
C) identification D) evolutionary relationship
 
Answer & Explanation Answer: D) evolutionary relationship

Explanation:
Report Error

View Answer Workspace Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

0 37
Q:

Marasmus usually is associated with a deficiency of

A) Vitamins B) Calories
C) Proteins D) Fats
 
Answer & Explanation Answer: B) Calories

Explanation:

Marasmus usually is associated with a deficiency of Calories.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

1 20