Question 1 :
After the centromeres separate during mitosis the chromatids now called _____ move toward opposite poles of the spindle

Question 2 :
Electron microscope has revealed the presence of or Which among the following can be seen only under electron microscope

Question 3 :
Hexokinase (Glucose + ATP → Glucose 6-P + ADP) belongs to the category

Question 6 :
<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 7 :
The energy required for life processes must be extracted from on organism's

Question 11 :
Which is the longest phase in the cell cycle of human live cells?

Question 13 :
Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?

Question 14 :
<p>Which of the following occurs more than one and less than five in a chromosome?</p>

Question 15 :
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 16 :
Which of the following statements is/are correct ? <br>(i) The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles. <br>(ii) ER helps in the transport of substances, synthesis of proteins, lipoproteins and glycogen. <br>(iii) Ribosomes are involved in protein synthesis. <br>(iv) Mitochondria help in oxidative phosphorylation and generation of ATP.

Question 19 :
<p>Biomolecules are constantly being changed into some other biomolecules and are made from ….</p>