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Question 1 :
Which one of the following is the best stage to observe the shape, size and number of chromosomes in a cell?

Question 4 :
<p>Select the correct fundamental features of cell theory</p><p>I. All cells are basically alike in their chemistry and physiology</p><p>II. All living organisms are composed of cells and their products</p><p>III. Each cell is made of a small mass of protoplasm containing a nucleus inside and a plasma membrane with or without a cell wall outside</p><p>IV. Activities of an organism are the sum total of activities and interaction of its constituent cells</p><p>Correct option regarding the statement is</p>

Question 5 :
<p>‘XX’ is a phase of mitosis, in which the chromatin condenses into discrete chromosomes. During ‘XX’ phase, nuclear envelope breaks down and spindles forms at opposite ends of the cell</p><p>Identify ‘XX’</p>

Question 6 :
What would happen if lysosomes get ruptured inside the cells in which they are present

Question 7 :
A protein has how many terminal amino acids and are called _________?

Question 9 :
<p>Among the following, which one is longest phase in prophase of meiosis?</p>

Question 11 :
In plant cells, cytokinesis is accomplished by the formation of a (n) -

Question 12 :
The centromere is situated close to its ends and forming one extremely short and one very long arm in

Question 14 :
The Km value of the enzyme is the value of the substrate concentration at which the reaction reaches to

Question 17 :
Match correctly between Column I and Column II - <table><tr><td>Column I</td><td>Column II</td></tr><tr><td>A.Collagen </td><td>I.Glucose transport </td></tr><tr><td>B.Trypsin </td><td>II.Binding with some chemical like for small taste and hormones </td></tr><tr><td>C.Insulin</td><td>III.Hormones </td></tr><tr><td>D.Antibody </td><td>IV.Enzyme </td></tr><tr><td>E.Receptor </td><td>V.Intercellular ground substance </td></tr><tr><td>F.GLUT - 4</td><td>VI.Fight infections agents </td></tr></table>

Question 18 :
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 20 :
Match the following column I with column II. <table><th>Column -I</th><th>Column-II</th> <tr><td>A. carcinogen</td><td>I. Tumour</td></tr> <tr><td>B. Anaphase-I</td><td>II. Disjunction</td></tr> <tr><td>C. mitosis</td><td>III. Synapse</td></tr> <tr><td>D. Zygotene</td><td>IV. Plactonemic coiling</td></tr></table>

Question 21 :
An enzyme can be synthesised by chemically bonding together molecules of

Question 25 :
<p>In cell cycle, during which phase chromosomes are arranged at equatorial plate?</p>

Question 26 :
Which of the following statements regarding cilia is not correct ? (2006)

Question 27 :
Find the correctly matched pairs and choose the correct option.<br>A. Leptotene - The chromosomes become invisible<br>B. Zygotene - Pairing of homologous chromosomes<br>C. Pachytene - Dissolution of the synaptonemal complex takes place<br>D. Diplotene - Bivalent chromosomes appear as tetrads<br>E. Diakinesis - Terminalization of chiasmata takes place

Question 29 :
The quaternary structure of human haemoglobin is best described as a

Question 30 :
Identify the cell organelle given below. Which is an important site of formation of glycoproteins &amp; glycolipids?<br /><img style='object-fit:contain' src="https://s3.ap-south-1.amazonaws.com/me-p/5f4cd56d16d7e6154e451065.jpg" />

Question 33 :
Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?

Question 34 :
<p>The <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ece476e189adb573a5d3676"/>-pleated sheet structure found in proteins is due to</p>

Question 36 :
Major classes of biologically significant large molecules include which of the following?

Question 37 :
The following diagram represents a structure chromosome. Identify the structures marked as A, B and C.<br /><img style='object-fit:contain' src="https://s3.ap-south-1.amazonaws.com/me-p/5f4cd59b16d7e6154e451066.jpg" />

Question 38 :
The milestone that defines anaphase is when the chromosomes / chromatids

Question 40 :
Inhibition of succinate dehydrogenase by malonate is the example of -

Question 42 :
Which group of organelles is involved in synthesis of substances needed by cell?

Question 43 :
During meiosis I in human, one of the daughter cells receives

Question 49 :
As temperature changes from 3°C to 45°C, the rate of enzyme activity will