Biology Questions

Q:

A dissecting aortic aneurysm occurs when

A) The inner layers of the aorta become separated B) The aorta ruptures, resulting in profound bleeding
C) All layers of the aorta suddenly contract D) None of the above
 
Answer & Explanation Answer: A) The inner layers of the aorta become separated

Explanation:

A dissecting aortic aneurysm occurs when the inner layers of the aorta become separated.

Report Error

View Answer Report Error Discuss

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

3 1940
Q:

Which of the following is true of osmosis?

A) it is a type of diffusion B) movement is against water's concentration gradient
C) requires energy D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
Report Error

View Answer Report Error Discuss

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

2 1938
Q:

The renal corpuscle is made up of

A) Bowman's capsule B) Glomerulus
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
Report Error

View Answer Report Error Discuss

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

3 1938
Q:

When it comes to cholesterol it is better to have

A) more LDL B) more HDL
C) more cholesterol D) a high ratio of LDL to HDL
 
Answer & Explanation Answer: B) more HDL

Explanation:

HDL stands for high-density lipoproteins.

HDL is called the "good" cholesterol because it carries cholesterol from other parts of your body back to your liver. Your liver then removes the cholesterol from your body.

 

Hence, when it comes to cholesterol it is better to have more HDL.

Report Error

View Answer Report Error Discuss

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

1 1935
Q:

Protists and bacteria are grouped into different domains because

A) protists have a membrane-bounded nucleus, which bacterial cells lack. B) protists eat bacteria
C) bacteria decompose protists D) protists are photosynthetic
 
Answer & Explanation Answer: A) protists have a membrane-bounded nucleus, which bacterial cells lack.

Explanation:
Report Error

View Answer Report Error Discuss

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

1 1933
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 Report Error Discuss

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

2 1929
Q:

Where would rna polymerase attach?

A) Phosphate groups B) DNA
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) DNA

Explanation:

RNA polymerase attach to DNA molecule.

Report Error

View Answer Report Error Discuss

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

4 1926
Q:

The size of the pupil is controlled by the

A) Retina B) Iris
C) Cornea D) Lens
 
Answer & Explanation Answer: B) Iris

Explanation:

The size of the pupil is controlled by the Iris when light enters the eye.

Report Error

View Answer Report Error Discuss

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

3 1926