Question 3 :
Assertion : Eukaryotic cells have more DNA than prokaryotic cells. <br>Reason : Eukaryotes are genetically more complex than prokaryotes.
Question 5 : <p>Which of the following statements are true?</p><p>I. Genetic RNA occurs in certain viruses called ribovirus</p><p>II. RNA of riboviruses may be single stranded</p><p>III. Double stranded RNA may also be present in riboviruses</p>
Question 6 : Which kind of reaction is shown by the following diagram?<br><img style='object-fit:contain' src='https://storage.googleapis.com/teachmint/question_assets/NEET/5e6f4215b4ff0c0bb8d14964' height='89' width='522' >
Question 8 :
The exchange of genetic material between chromatids and homologous chromosomes occurs during -
Question 10 : <p>Identify the following figures <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ece4b185a988945243d3ba1"/>and choose the correct option</p><p><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ece4b18eab619455fcb781a"/></p>
Question 12 :
Assertion : DNA molecules and RNA molecules are found in the nucleus of cell.<br>Reason : On heating, enzymes do not lose their specific activity.
Question 13 : <p>An analysis of a DNA (double strandard) sample yielded 18% cytosine. What would be the percentage of other bases in this sample?</p>
Question 17 : <p>If the cell has 14 chromosomes at interphase. Than how many chromosomes will the cell have at <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ece4abd5a988945243d3b2f"/>-phase of cell cycle?</p>
Question 21 :
An α helix is the example of which level of protein structure?
Question 25 :
Assertion : Cell wall is not found in animal cell.<br>Reason : Animal cells are covered by cell membrane.
Question 29 : The following diagram refers to a typical cell cycle.<br><img style='object-fit:contain' src='https://storage.googleapis.com/teachmint/question_assets/NEET/5e6f48eea5aec94630e03454' height='147' width='183' ><br>Identify the parts marked as X, Y and Z.
Question 30 :
Which of the events listed below is not observed during mitosis?
Question 32 :
Adenosine, Guanosine, thymidine, uridine, cytidine are all _____ but adenylic acid, guanylic acid, uridylic acid, cytidylic acid are _____
Question 33 :
The cell as a basic unit of structure of living beings was discovered by
Question 35 : <p>Hydrolysis of a glycosidic bond in a disaccharide is an example of</p>
Question 36 :
The main area of various types of activities of a cell is
Question 37 :
Which one of the following structures is an organelle within an organelle?
Question 40 :
Primary structure of polypeptide is stabilized or secondary structure of polypeptide is maintained by
Question 41 :
Which one is correct for G<sub>0</sub> stage? <br>I. It is a quiescent stage <br>II. In this phase cell cycle is stropped <br>III. G<sub>0</sub> cells in the stage do not grow or proliferate but metabolically active <br>IV. G<sub>0</sub> cells can divide in response to some stimulus
Question 42 :
Chromosome number is reduced during meiosis because the process consists of -
Question 43 : <p>I. Chromosomes cluster at opposite spindle poles their identity is lost as discrete elements</p><p>II. Nuclear envelope assembles around the chromosome clusters</p><p>III. Nucleolus, Golgi complex and ER reform</p><p>Above features indicates which phase of mitosis</p>
Question 44 :
If mitotic division is arrested in G1 phase of a cell cycle, then the condition is known as
Question 46 :
The strength and rigidity of a cell wall is due to the substance known as
Question 48 :
Select the events that do not occur in interphase stage of cell-cycle <br>A. RNA and protein synthesis<br>B. Cytoplasmic growth<br>C. Polymerisation of spindle fibres protein<br>D. Disappearance of Golgi bodies and ER<br>E. DNA molecules in highly supercoiled stage
Question 50 :
Starch and cellulose are the compounds made up of many units of
