Question 1 :
<p>During which stage of meiosis, do the sister chromatids begin to move towards the poles?</p>

Question 3 :
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 4 :
Which of the following organelles lack membrane in eukaryotic cell?<br>{tex} \begin{array} { l l l } { \text { A. Cilia } } & { \text { B. Lysosome } } \\ { \text { C. RER } } & { \text { D. Ribosomes } } \\ { \text { E. Flagella } } & { \text { F. Centrioles } } \end{array} {/tex}<br>

Question 6 :
Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by

Question 8 :
If all the peptide bonds of a protein are broken down, then what would remain?

Question 10 :
In seeds, digestion is made possible at relatively low temperature by

Question 11 :
The Km value of the enzyme is the value of the substrate concentration at which the reaction reaches to

Question 15 :
Which of the following is not an attribute of enzymes ?

Question 20 :
Which of the groups of following formula involved in peptide bound between different amino acids?<br><img style='object-fit:contain' src='https://storage.googleapis.com/teachmint/question_assets/NEET/5e6f41e8146e730c5ca5b2d1' height='106' width='156' >

Question 21 :
Which of the following ribosomes are engaged in protein synthesis in animal cell?

Question 22 :
Which one of the following structures between two adjacent cells is an effective transport pathway?

Question 25 :
Primary structure of protein is due to the presence of ______.

Question 26 :
An organic substance bound to an enzyme and essential for its activity is called

Question 27 :
Select the type of enzyme involved in the following reaction.<br /><img style='object-fit:contain' src="https://s3.ap-south-1.amazonaws.com/me-p/5f4ce66e16d7e6154e451080.jpg" />

Question 29 :
The statement “All biological catalysts are proteins” is no longer valid after the discovery of

Question 31 :
Which one is correct for G₀ stage? <br>I. It is a quiescent stage <br>II. In this phase cell cycle is stropped <br>III. G₀ cells in the stage do not grow or proliferate but metabolically active <br>IV. G₀ cells can divide in response to some stimulus

Question 34 :
Which one is the most abundant protein in the animal world?

Question 36 :
In telophase of mitosis, the mitotic spindle breaks down and nuclear membranes form. This is essentially the opposite of what happens in

Question 38 :
Which one of the following cell organelles is enclosed by a single membrane?

Question 42 :
In plant cells, cytokinesis is accomplished by the formation of a (n) -

Question 45 :
Assertion : Meiotic division results in the production of haploid cells.<br>Reason : Synapsis occurs during zygotene of meiosis.