Cell structure and function NEET Biology multiple choice questions
NEET Biology Cell Structure and function multiple choice questions are given in small self practice tests.
These questions were given in previous compitative examinations.
The questions are based on 10 + 2 syllabus.
You must study the lesson Cell structure and function in NCERT or other textbooks.
NEET Biology
Cell structure and function multiple choice questions NEET Biology
Biology
Cell Structure and Function
Multiple choice questions
Self practice test 1
1) The stage during which separation of the paired homologous chromosomes begins is
1. Daikinesis
2. Diplotene
3. Pachytene
4. Zygotene
2) During cell cycle in which phase normal components of cell are synthesized and assembled ?
3) Which of the following is wrong about G -1 phase ?
1. G -1 Stage followed by Mitosis
2. Cell is metabolically active
3. Cell grows continuously
4. Cell does not replicate its DNA
4) During Mitosis ER and nucleolus begin to disappear at
1. Early prophase
2. Late prophase
3. Early metaphase
4. Late metaphase
5) A somatic cell that has just completed the S phase of its life cycle, as compared to gamete of the same species, has
1. Same number of chromosomes but twice the amount of DNA
2. Twice the number of chromosomes and four times the amount of DNA
3. Four times the number of chromosomes and twice the amount of DNA
4. Twice is the number of chromosomes and twice the amount of DNA
6) In miosis crossing over is initiated at
1. Pachytene
2. Leptotene
3. Zygotene
4. Diplotene
7) Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at that their centromeres
1. Anaphase I
2. Anaphase II
3. Metaphase I
4. Metaphase II
8) Synapsis occurs between
1. Two homologous chromosomes
2. A male and a female gamete
3. mRNA and ribosomes
4. Spindle fibres and centromere
9) Which of the following is longest phase of the cell cycle ?
1. Prophase
2. Interphase
3. Telophase
4. M – phase
10) Arrange the following events meiosis in correct sequence
a. Crossing over
b. Synapsis
c. Termilisation of chaismata
d Disappearance of nucleolus
Answers for self practice test 1
1) 2
2) 3
3) 1
4) 2
5) 2
6) 1
7) 1
8) 1
9) 2
10) 3
Self practice test 2
1) During cell growth, DNA synthesis take place in
2) During which phase(s) of cell cycle, amount of DNA in a Cell remains at 4C level if the initial amount is denoted as 2C ?
3) Select the correct option with respect to mitosis
1. Cromatids separate but remain in the centre of the cell in anaphase
2. Chromatids start moving towards opposite poles in telophase
3. Golgi complex and endoplasmic reticulum are still visible at the end of prophase
4. Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase
4) During gamete formation, the enzyme recombinase participates during
1. Prophase I
2. Prophase II
3. Metaphase I
4. Anaphase II
5) The complex formed by a pair of synapsed homologous chromosomes is called
1. Axoneme
2. Equatorial plate
3. Kinetochore
4. Bivalent
6) When cell has stalled DNA replication fork, which checkpoint should be predominantly activated ?
7) Meiosis is not having the one of the character out of the four given below
1. It involves two stages of DNA replication, one before meiosis I and another before meiosis II.
2. It involves recombination and crossing over
3. Sister chromatids separate during anaphase II
4. Nuclear membrane disappears during prophase
8) The enzyme recombinase required at which stage of meiosis
1. Pachytene
2. Zygotene
3. Diplotene
4. Diakinesis
9) In ‘S’ phase of the cell cycle
1. Amount of DNA doubles in each cell
2. Amount of DNA remains same in each cell
3. Chromosome number is increased
4. Amount of DNA is reduced to half in each cell
10) Match the stages of meiosis in Column I to their characteristic features in Column II and select the correct option using the codes given below
Answers for self practice test 2
1) 3
2) 4
3) 4
4) 1
5) 4
6) 4
7) 1
8) 1
9) 1
10) 3
M
Note : You should answer the multiple choice questions in your own way. Check whether those are related to textbook lesson.