Biology - Questions and Answers, General Study (GK)

Home » General Study » Biology - Questions and Answers Objective Questions

Biology - Questions and AnswersPage 83

821.

Cork cells are impervious to water because of the presence of

(a)Suberin

(b)Lignin

(c)Cutin

(d)Cellulose

Comment

Answer is: A

822.

The biotic relationship between insects and plants with reference to pollination is called

(a)Mutualism

(b)Commonsalism

(c)Saprophytism

(d)Parasitism

Comment

Answer is: A

823.

Photosynthesis generally takes place in which portions of the plant ?

(a)Leaf and other chloroplast bearing parts

(b)Bark and leaf

(c)Roots and chloroplast bearing parts

(d)Stem and leaf

Comment

Answer is: A

824.

Opium is obtained from

(a)Latex juice

(b)Tablet type latex

(c)Seed capsule of opium poppy

(d)Poppy leaves

Comment

Answer is: C

825.

Binomial nomenclature system was introduced

(a)Mendel

(b)Darwin

(c)Linnaeus

(d)None of these

Comment

Answer is: C

826.

RNA differs from DNA in containing

(a)Deoxyribose

(b)Cytocine

(c)Phosphate

(d)Ribose

Comment

Answer is: D

827.

Which of the following glands has both an endocrine and an exocrine function ?

(a)Mammary

(b)Thyroid

(c)Adrenal

(d)Pancreas

Comment

Answer is: D

828.

Pepsin converts

(a)Protein into peptides in neutral media

(b)Protein into peptides in acid media

(c)Starch into glucose

(d)Protein into peptides in alkaline media

Comment

Answer is: B

829.

Adrenocorticotrophic harmone (ACTH) is secreted by

(a)Thyroid

(b)Pituitary

(c)Adrenal

(d)Pancreas

Comment

Answer is: B

830.

A green leaf is partially covered and placed in the light for several days. If it is then boiled and tested for starch with iodine, what will be the result ?

(a)Starch will not be found in the leaf at all

(b)Starch will be found in the entire leaf

(c)Starch will be found only in the part of the leaf exposed to light

(d)Starch will be found only in the shaded part of the leaf

Comment

Answer is: C

Comments

No comment yet.

Biology - Questions and AnswersPage 83

Comments

Similar GS Topics

Top 10 List

Miscellaneous

Follow us on YouTube

Links

Social links

For Coaching Class/Schools

Subscribe for updates