Sawaal

 Biology Questions

Popular Latest Rated
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 1673
Q:

When the diaphragm and external intercostal muscles contract,

A) the volume of the thorax decreases. B) the volume of the lungs decreases.
C) the volume of the thorax increases. D) the lungs shrink.
 
Answer & Explanation Answer: C) the volume of the thorax increases.

Explanation:
Report Error

View Answer Report Error Discuss

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

3 1673
Q:

What base does guanine pair with?

A) Adenine B) Thymine
C) Uracil D) Cytosine
 
Answer & Explanation Answer: D) Cytosine

Explanation:

In DNA, the chemicals are Adenine, thymine, guanine and cytosine. They always pair as basepairs like Adenine with Thymine and Guanine with Cytosine.

Report Error

View Answer Report Error Discuss

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

1 1668
Q:

Polyploidy is involved in which of the following examples?

A) XYY males B) Some plants alternate between haploid and diploid phases
C) XO females D) A normal watermelon has 22 chromosomes but seedless watermelons have 33 chromosomes
 
Answer & Explanation Answer: D) A normal watermelon has 22 chromosomes but seedless watermelons have 33 chromosomes

Explanation:
Report Error

View Answer Report Error Discuss

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

2 1667
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 1666
Q:

Which statement concerning the diagnosis of ADHD is true?

A) Boys are more likely to be diagnosed with ADHD than girls B) Most children "outgrow" symptoms of ADHD
C) About 20 percent of school-age children are diagnosed with ADHD D) Racial minority status is a good predictor of being diagnosed with ADHD
 
Answer & Explanation Answer: A) Boys are more likely to be diagnosed with ADHD than girls

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE
Job Role: Analyst

3 1666
Q:

Blood plasma is filtered in 

A) the renal capsule B) the renal column
C) the renal tubule D) the renal corpuscle
 
Answer & Explanation Answer: A) the renal capsule

Explanation:
Report Error

View Answer Report Error Discuss

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

1 1665
Q:

Unlike eutherians, both monotremes and marsupials

A) have some embryonic development outside the uterus B) are found in Australia
C) lay eggs D) lack nipples
 
Answer & Explanation Answer: A) have some embryonic development outside the uterus

Explanation:
Report Error

View Answer Report Error Discuss

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

2 1657