Match the Column I with that of Column II and choose the correct combination from the options given.
Column I | Column II |
A. Rough ER | 1. Synthesis of glycoproteins |
B. Smooth ER | 2. Aerobic respiration |
C. Mitochondria | 3. Synthesis of lipid |
D. Golgi apparatus | 4. Protein synthesis |
A - 1; B - 2; C - 3; D - 4
A - 2; B - 3; C - 4; D - 1
A - 3; B - 4; C - 2; D - 1
A - 4; B - 3; C - 2; D - 1
A - 4; B - 3; C - 2; D - 1
Which of the following cell organelle is excluded from endomembrane system?
Endoplasmic reticulum
Mitochondria
Golgi complex
Lysosomes
Lysosomes
The given organic compound is a diagrammatic representation of
Lecithin
Adenosine
Adenylic acid
Uridine
Uridine
C.
Adenylic acid
The given figure represents adenylic acid. AMP or Adenosine monophosphate is known as 5'- adenylic acid. It is a nucleic acid. It consists of phosphate group, sugar ribose and the nucleobase adenine.
Which one of the following is the significance of mitosis?
Restricted to haploid cells
Cell repair
Increases the genetic variability
Recombination of chromosomes
Recombination of chromosomes
Which of the following statements about the structure of proteins is true?
The sequence of amino acids in a protein represents the secondary structure
The helices of proteins are always left handed
Adult human hemoglobin consists of two subunits
The left end of a protein is called the C-terminal and the right end is called the N-terminal
The left end of a protein is called the C-terminal and the right end is called the N-terminal
In a typical eukaryotic cell cycle, Gap 1, Synthesis and Gap 2 are the three phases included in the
Prophase
Metaphase
Anaphase
Interphase
Interphase
Find out the correct statement
During mitosis endoplasmic reticulum and nucleolus disappear completely at early prophase
Chromosomes are arranged along the equator during prophase of mitosis
Chromosome is made up of two sister chromatids at anaphase of mitosis
A cell plate is laid down during interphase
A cell plate is laid down during interphase
Which of the following secondary metabolites belong to the group drugs?
I. Morphine
II. Curcumin
III. Codeine
IV . Vinblastine
V. Abrin
I and II only
I and V only
II and III only
II and IV only
II and IV only
Which of the following statements about the mass flow hypothesis is wrong?
It is the accepted mechanism for translocation of sugars from source to sink
As glucose is prepared at source it is converted to sucrose
Sucrose is actively loaded into a sieve tube
The process of loading at source produces a hypotonic condition in the phloem
The process of loading at source produces a hypotonic condition in the phloem
Pick out the wrong statement
(A) Apoplast is the system of adjacent cell walls that is continuous throughout the plant
(B) Endodermis is impervious to water molecules
(C) Pinus seeds germinate and establish without the presence of mycorrhizae.
(A) and (B)
(B) and (C)
(C) only
(B) only
(B) only