Home / MCQ Feed / 3

MCQ Feed

K

Kirti • 10.32K Points
Tutor II Biology

Q. Octopus belongs to the class________

(A) Mollusca
(B) Cephalopoda
(C) Pelecypoda
(D) None of the above

K

Kirti • 10.32K Points
Tutor II Biology

Q. Which of the following hormones requires a cell surface receptor for its action?

(A) Adrenaline
(B) Progesterone
(C) Growth factors
(D) All of the above

K

Kirti • 10.32K Points
Tutor II Biology

Q. The hormone, also called the ligand is considered as_________

(A) First messenger
(B) The Second messenger
(C) Both (a) and (b)
(D) None of the above

K

Kirti • 10.32K Points
Tutor II Biology

Q. Which of the following statements is true about cell signaling?

(A) In multicellular organisms, cell communicate using hormones
(B) In unicellular organisms, cell communicate using extracellular signaling molecules
(C) In multicellular organisms, cell communicate using intracellular signaling molecules
(D) None of the above

K

Kirti • 10.32K Points
Tutor II Biology

Q. Which of the following is a cell surface receptor?

(A) Enzyme-linked receptors
(B) G protein-linked receptors
(C) Ion-channel linked receptors
(D) All of the above

K

Kirti • 10.32K Points
Tutor II Biology

Q. Which of the following statements is not true about G proteins?

(A) G proteins are involved in signal cascades
(B) G proteins become activated when bound to GDP
(C) Guanine nucleotides regulate G proteins
(D) None of the above

K

Kirti • 10.32K Points
Tutor II Biology

Q. Which of the following signaling molecules are used by simple nerve reflexes?

(A) Proteases
(B) Nitric oxides
(C) G proteins
(D) Neurotransmitters

K

Kirti • 10.32K Points
Tutor II Biology

Q. Steroids, a biologically active organic compound, are derived from ______.

(A) Hormones
(B) Chemicals
(C) Cholesterol
(D) Carbohydrates

K

Kirti • 10.32K Points
Tutor II Biology

Q. How many transmembrane alpha-helices are present in the G-protein coupled receptors?

(A) Two
(B) Four
(C) Five
(D) Seven

K

Kirti • 10.32K Points
Tutor II Biology

Q. Which of the following messenger molecules are derived from arachidonic acid?

(A) Steroids
(B) Corticoids
(C) Terpenoids
(D) Eicosanoids

Download our easy to use, user friendly Android App from Play Store. And learn MCQs with one click.

Image

MCQ Buddy is a community website which helps students in learning new questions, topics, hindi questions, programming questions, cbse questions. These questions are shared by registered users. You can also share question in this portal. Sign Up to share, upvote, add solution/explation of any question.
Sharing is Caring. Help other students by sharing questions, update solutions/explanations of questions added.