Explore topic-wise MCQs in Biology.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Heart is derived from ______

A. Mesoderm
B. Endoderm
C. Ectoderm
D. Mesenchyme
Answer» B. Endoderm
2.

The cells within the inner cell mass that possess the ability to give rise to the entire organism are called _______

A. placental cells
B. stem cells
C. mother cells
D. zygote
Answer» C. mother cells
3.

The ability of a cell to differentiate is called ______

A. potential
B. potency
C. stemness
D. development
Answer» C. stemness
4.

What layer separates ectoderm from the endoderm in the developing fetus?

A. Mesenchyme
B. Mesendoderm
C. Mesoderm
D. Placenta
Answer» D. Placenta
5.

Implantation is followed by the differentiation of inner cell mass into outer _______ and inner ______

A. ectoderm, endoderm
B. ectoderm, mesoderm
C. ectoderm, mesendoderm
D. mesoderm, endoderm
Answer» B. ectoderm, mesoderm
6.

Which of these is not an associated function of the increased maternal hormones estrogen, progesterone, prolactin, and cortisol?

A. Development of fetus
B. Metabolic changes in the mother
C. Maintenance of pregnancy
D. Lactation
Answer» E.
7.

Fetal movements can be observed during ____________

A. first month of pregnancy
B. first trimester
C. second trimester
D. third trimester
Answer» D. third trimester
8.

External genital organs are developed during _________

A. first month of pregnancy
B. first trimester
C. second trimester
D. third trimester
Answer» C. second trimester
9.

Which organ is the first to form in the developing human fetus, formed after just 1 month of pregnancy?

A. Heart
B. Brain
C. Kidney
D. Liver
Answer» B. Brain