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Development Biology MCQ - Biotechnology Engineering (BT) MCQ


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21 Questions MCQ Test Mock Test Series of IIT JAM Biotechnology 2025 - Development Biology MCQ

Development Biology MCQ for Biotechnology Engineering (BT) 2024 is part of Mock Test Series of IIT JAM Biotechnology 2025 preparation. The Development Biology MCQ questions and answers have been prepared according to the Biotechnology Engineering (BT) exam syllabus.The Development Biology MCQ MCQs are made for Biotechnology Engineering (BT) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Development Biology MCQ below.
Solutions of Development Biology MCQ questions in English are available as part of our Mock Test Series of IIT JAM Biotechnology 2025 for Biotechnology Engineering (BT) & Development Biology MCQ solutions in Hindi for Mock Test Series of IIT JAM Biotechnology 2025 course. Download more important topics, notes, lectures and mock test series for Biotechnology Engineering (BT) Exam by signing up for free. Attempt Development Biology MCQ | 21 questions in 50 minutes | Mock test for Biotechnology Engineering (BT) preparation | Free important questions MCQ to study Mock Test Series of IIT JAM Biotechnology 2025 for Biotechnology Engineering (BT) Exam | Download free PDF with solutions
Development Biology MCQ - Question 1

In amphibians, at puberty, nuclear membrane of primary oocyte breaks down by the influence of

Detailed Solution for Development Biology MCQ - Question 1

Progesterone breaks the nuclear membrane of primary oocyte.

Development Biology MCQ - Question 2

Rolling of sheet of cells over other cells during gastrulation is called as :

Detailed Solution for Development Biology MCQ - Question 2

Epiboly in gastrulation movement which is characteristic by rolling of sheet of cells leading to its thinning and spreading of cell layers.

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Development Biology MCQ - Question 3

Fast block to polyspermy in Sea Urchin is

Detailed Solution for Development Biology MCQ - Question 3

Fast block to polyspermy is activated after the fusion of first sperm with the egg and involve a change in electrical potential of egg membrane

Development Biology MCQ - Question 4

Embryonic stem cells are derived from

Detailed Solution for Development Biology MCQ - Question 4

Embryonic stem cells are pluripotent and derived from inner mass of blastocyst which is undifferentiated.

Development Biology MCQ - Question 5

Nuclear determinants are also called as

Detailed Solution for Development Biology MCQ - Question 5

Nuclear determinants are called morphogens which determine morphogenesis.

Development Biology MCQ - Question 6

In a bicoid mutant Drosophila ................... will form ?

Detailed Solution for Development Biology MCQ - Question 6

Caudal gene shows its effect in anterior side also as bicoid won’t be able to inhibit its transcription. Hence, tail will form at both the sides.

Development Biology MCQ - Question 7

The only cell that can give rise to a complete new organism is

Detailed Solution for Development Biology MCQ - Question 7

The only cell that can give rise to a complete new organism is the fertilized egg (zygote) and this is described as totipotent

Development Biology MCQ - Question 8

Concentration of bone morphogenetic protein is higher at

Detailed Solution for Development Biology MCQ - Question 8

Concentration of BMP-4 is same at all the sides.   

Development Biology MCQ - Question 9

In case of chick development, primary organizer is called

Detailed Solution for Development Biology MCQ - Question 9

In chick development, primary organizer is called Hensen’s node which forms the fate map further.

Development Biology MCQ - Question 10

Which of the floral whorls is affected in agamous (ag) mutants ?

Detailed Solution for Development Biology MCQ - Question 10

Agamous is present at the B and its mutation effect both petals and stamens.

Development Biology MCQ - Question 11

With respect to development of any organism autonomous specification would result in which type of development?

Detailed Solution for Development Biology MCQ - Question 11

During development, each cell is said to undergo autonomous specification i.e., if removed from the embryo, each cell develops according to its intrinsic instruction. It is also known as mosaic development.

Development Biology MCQ - Question 12

In Hydra, if any part is lost remaining portion re-patterns itself and gives rise to complete organism. Such a pattern of development is termed as

Detailed Solution for Development Biology MCQ - Question 12

This type of regeneration is called as morphallaxis.

*Multiple options can be correct
Development Biology MCQ - Question 13

Find out the correctly matched options

Detailed Solution for Development Biology MCQ - Question 13

Holoblastic cleavage:

1) Radial cleavage - Ampliioxus. Echinodenns 
2) Spiral cleavage - Annelids. Molluscs 
3) Bilateral cleavage - Tunicates
4) Rotational cleavage - Mammals. Nematodes

*Multiple options can be correct
Development Biology MCQ - Question 14

Which of the following maternal effect genes regulate anterior axis development?

Detailed Solution for Development Biology MCQ - Question 14

There are around 50 maternal genes which are involved in anterior-posterior axis specification, but out of the 50 genes, 4 genes are particularly important because their product form gradient along the axis and play important role.

*Multiple options can be correct
Development Biology MCQ - Question 15

Maternal effect genes are :

Detailed Solution for Development Biology MCQ - Question 15

Maternal effect genes have all the characteristic present in options.

*Multiple options can be correct
Development Biology MCQ - Question 16

With respect to male reproductive system in humans, find out the correct statements.

Detailed Solution for Development Biology MCQ - Question 16

*Multiple options can be correct
Development Biology MCQ - Question 17

Function of Noggin gene

Detailed Solution for Development Biology MCQ - Question 17

Noggin is an antagonist of BMP and heeps in neural ectoderm not in skin ectoderm.

*Answer can only contain numeric values
Development Biology MCQ - Question 18

In developmental biology, morula is ________cell stage. [Answer in integer]


Detailed Solution for Development Biology MCQ - Question 18

Morula is 16 celled stage.

*Answer can only contain numeric values
Development Biology MCQ - Question 19

As mammalian zygotes divide, all cells are totipotent upto the ________________ celled stage. [Answer in integer]


Detailed Solution for Development Biology MCQ - Question 19

As embryo development progresses to the 8 cell stage and beyond depending on the species, the individual blastomeres that comprise the embryo gradually lose their totipotency.

*Answer can only contain numeric values
Development Biology MCQ - Question 20

If a sperm cell contains 8 chromosomes, it comes from an animal that has ______________ chromosomes. [Answer in integer]


Detailed Solution for Development Biology MCQ - Question 20

Both the gametes (either sperm or egg) from each parent should contain half the total number of chromosomes for that species. 

*Answer can only contain numeric values
Development Biology MCQ - Question 21

Primary spermatocyte undergoes 2nd meiotic divisions to produce how many haploid spermatids _______ [Answer in integer]


Detailed Solution for Development Biology MCQ - Question 21

After second meiotic division the primary spermatocyte forms 4 haploid spermatids.

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