Hyper secretion of growth hormone in childhood cause ______.
- AAcromegaly
- BDwarfism
- ✓Gigantism
- DGoitre
Answer: C.
View full solution →Question types
Question Bank [2022] question types
504 questions across 5 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.
504
Questions
5
Question groups
5
Question types
01
MCQ
126 Q→02Answer the following questions
123 Q→03Answer the following questions.
104 Q→04Answer the following questions in detail.
100 Q→05Answer the following in detail :
51 Q→Sample Questions
Question Bank [2022] questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Ventricular depolarization is represented by ______.
- AP wave
- ✓QRS complex
- CT wave
- DP and T waves
Answer: B.
View full solution →Root hair is ________ extension of epiblema cells.
- ✓Cytoplasmic
- BProtoplasmic
- CNucleoplasmic
- DCellulosic
Answer: A.
View full solution →Wobble hypothesis is related with
- AAmbiguity in codon
- BPurine pyrimidine equality
- CGenetic code is triplet
- ✓Degeneracy of genetic code and economy of tRNA molecules in the cell
Answer: D.
View full solution →In human beings 45 chromosomes/single X/XO abnormality causes ______.
- ADown's syndrome
- BKlinfelter's syndrome
- ✓Turner's syndrome
- DEdward's syndrome
Answer: C.
View full solution →Which organ acts a temporary endocrine gland in females?
Identify ‘A’ from the following ECG.
From which type of cells, root hair is originated
Enlist the names of enzymes used in semiconservative replication of DNA?
What is the reason for the $21^{st}$ trisomy?
View full solution →Explain Avery, McCarty, and MacLeod’s experiment in detail.
Explain the mechanism of sex determination in birds.
What is lactation? Which hormone is responsible for its regular secretion?
Mention significance of fruit and seed formation.
Write a note on the packaging of DNA in Eukaryotes.
Give diagrammatic representation of Lac-operon in the presence of inducer.
What are the different characters that develop due to Klinefelter's syndrome?
Explain the process of parturition.
Draw a well labelled diagram of the monocot seed you have studied.
What is meant by an operon?
Complete the flowchart of the process of conduction of nerve impulses.
| Application of stimulus on a resting nerve |
| ⇓ |
| Permeability of membrane changes |
| ⇓ |
| ______________________________ |
| ⇓ |
| Positive ions inside axon increases |
| ⇓ |
| ________________________________ |
| ⇓ |
| Polarity reverses and depolarisation takes place |
| ⇓ |
| Repolarisation - potassium gates open |
| ⇓ |
| ______________________________ |
| ⇓ |
| ______________________________ |
| ⇓ |
| Axoplasm becomes negatively charged and ECF becomes positive |
Short Answer Question:
Write a note on applications of DNA fingerprinting.
Write a note on applications of DNA fingerprinting.
Give an account of one Mendelian and one chromosomal disorder you have studied.
Answer the following question.
Describe the various methods of birth control to avoid pregnancy.
Describe the various methods of birth control to avoid pregnancy.
Explain the mechanism of fertilization in humans.
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