CBSE Plus 1 Biology Science Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
In C₄ plants initial CO₂ fixation occur in the chloroplast of

(A) Guard cells	(B) Pallicade tissue
(C) Mesophyll cells	(D) Bundle sheath cells

Question-2
Ribulose diphosphate carboxylase enzyme catalyses the reaction between

(A) Oxaloacetic acid and acetyl CoA	(B) CO₂ and ribulose-1, 5 diphosphate
(C) PGA and dihydroxy acetone phosphate	(D) None of these

Question-3
The information about proteins may be accessed from the database

(A) http://www.ncbi.n/m.nih.gov/Entrez	(B) http://www.ncbi.nlm.nih.gov/genomes
(C) http://www.Sanger.ac.uk	(D) http://www.rcsb.pdb.org

Question-4
Which one of the following is the simplest amino acid?

(A) Glycine	(B) Lysine
(C) Aspartic acid	(D) Phenylalanine

Question-5
In nitrogen cycle, the nitrifying bacteria

(A) Convert ammonia into nitrogen.	(B) Fix atmospheric nitrogen.
(C) Convert ammonia into nitrates.	(D) Convert amino acids into ammonia.

Question-6
Enzymes are

(A) Proteinous or Proteinaceous	(B) Nutritive substances
(C) Supplementary foods	(D) Make up of amino acids only

Question-7
Coenzyme is

(A) Always a protein	(B) Always an inorganic
(C) Often a metal	(D) Often a vitamin compound

Question-8
Monomeric protein has

(A) One polypeptide chain	(B) Two polypeptide chains
(C) Three polypeptide chains	(D) None of these

Question-9
Edman's method of protein sequencing was developed by

(A) Fred Sanger	(B) Pehr Edman
(C) Christian Anfinsen	(D) None of these

Question-10
Which one of the following is called energy giver?

(A) Nucleic acid	(B) Biomembrane
(C) Carbohydrate	(D) Protein

Click here to see your answersheet and detailed track records.

Plus 1 Biology Science

CBSE

Practice in Related Chapters
Biotechnology - An Overview
Molecules Of Life
Genetics and Molecular Biology