Question 2 :
Living cell contains 60 - 95 {tex} \% {/tex} water. Water present in human body is

Question 6 :
The steps in catalytic cycle of an enzyme action are given in random order - <br>I. The enzyme releases the produces. Now enzyme is free to bind another substrate <br>II. The active sites, now in close proximity of substrate breaks the bond of substrate and E-P complex forms <br>III. Binding of substrate induces the enzyme to alter its shape fitting more tightly around the substrate <br>IV. The substrate binds to the active site of enzyme (i.e. fitting into the active site. <br>The correct order is

Question 9 :
Which one is false?<br>I. Energy can enter and leave a cell <br>II. Matter can enter and leave a cell <br>III. A cell use energy from other sources to increases its order and complexcity <br>IV. Metabolic pathways are interlinked <br>V. Blood concentration of glucose in a normal healthy person is 4.5 - 5.0 mM, while that of hormones would be nanogram / mL <br>VI. Living process is a constant effort to promote falling into equilibrium

Question 10 :
Match column I (organic compound) with column II (examples) and choose the correct combination from the given options. <table><tr><td>Column-I(Organic Compounds)</td><td>Column-II (Examples)</td></tr> <tr><td>A. Fatty acid</td><td>I. Glutamic acid</td></tr> <tr><td>B. Phospholipid</td><td>II. Tryptophan</td></tr> <tr><td>C. Aromatic amino acid</td><td>III. Lecithin</td></tr> <tr><td>D. Acidic amino acid</td><td>IV. Palmitic acid</td></tr></table>

Question 11 :
The four elements called "Big-four" which make up 95% of all elements found in a living system are

Question 12 :
<p>Cholesterol is considered as a crucial molecule in animals because it is</p>

Question 14 :
Which one of the following is not a constituent of cell membrane? (2007)

Question 18 :
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 20 :
<p>The number of DNA strands in chromosome at <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ece4abdeab619455fcb77a4"/>-stage is</p>

Question 21 :
Scavenging of worn out cell parts and denatured proteins in the cells is done by

Question 22 :
Consider the following statements and choose the correct statement. <br />(i) The endomembrane system includes mitochondria, chloroplast and peroxisomes. <br />(ii) Smooth endoplasmic reticulum is the major site for synthesis of lipid. <br />(iii) Rough endoplasmic reticulum is actively involved in protein synthesis. <br />(iv) Mitochondrial matrix possesses single circular DNA, a few RNA and 80S ribosomes.&nbsp;

Question 26 :
You have isolated an unidentified liquid from a sample of beans. You add the liquid to a beaker of water and shake vigorously. After a few minutes, the water and the other liquid separate into two layers. To which class of biological molecules does the unknown liquid most likely belong?

Question 27 :
How many mitotic divisions are needed for a single cell to make 128 cells

Question 30 :
Which cellular structure helps in transferring genetic information from one generation to another?

Question 36 :
The sequence of events by which a cell duplicates its genome, synthesizes other constituents of cells eventually divides into daughter cells is termed as -

Question 37 :
One of the following is almost not found in living organism

Question 47 :
The structure that are formed by stacking of organized flattened membranous sacs in the chloroplasts are

Question 48 :
A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics.<br> <img style='object-fit:contain' src='https://storage.googleapis.com/teachmint/question_assets/NEET/5d81eac8bfd6dc22970d2e45' />

Question 49 :
The four elements that make up 99 {tex} \% {/tex} of all elements found in a living system are

Question 50 :
Dry seeds can endure higher temperature than the germinating seeds because