List of practice Questions

Identify the pair of heterosporous pteridophytes among the following:

Which of the following stages of meiosis involves division of centromere?

Given below are two statements:
Statement I: Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body. 
Statement II: Exarch condition is the most Common feature of the root system. 
In the light of the above statements, choose the correct answer from the options given below:
Vital capacity of lung is _________.

Match List I with List II 

 List I (Cells) List II  (Secretion) 
APeptic cellsIMucus
BGoblet cells IIBile juice
COxyntic cellsIIIProenzyme pepsinogen
DHepatic cellsIVHCl and intrinsic factor for absorption of vitamin B12

Choose the correct answer from the options given below:

The unique mammalian characteristics are:
The thickness of ozone in a column of air in the atmosphere is measured in terms of:
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: Late wood has fewer xylary elements with narrow vessels.
Reason R: Cambium is less active in winters.
In the light of the above statements, choose the correct answer from the options given below:

Axile placentation is observed in

Match List I with List II: List I List II 

 

List I

 

List II 

A.M PhaseI.Proteins are synthesized
B.G2 PhaseII.Inactive phase
C.Quiescent stageIII.Interval between mitosis and initiation of DNA replication
D.G1 PhaseIVEquational division

Choose the correct answer from the options given below

Given below are two statements:
Statement I: RNA mutates at a faster rate.
Statement II: Viruses having RNA genome and shorter life span mutate and evolve faster.
In the light of the above statements, choose the correct answer from the options given below:
Main steps in the formation of Recombinant DNA are given below. Arrange these steps in a correct sequence.
A. Insertion of recombinant DNA into the host cell
B. Cutting of DNA at specific location by restriction enzyme
C. Isolation of desired DNA fragment
D. Amplification of gene of interest using PCR
Choose the correct answer from the options given below:
Which one of the following symbols represents mating between relatives in human pedigree analysis?

How many ATP and NADPH2 are required for the synthesis of one molecule of Glucose during Calvin cycle?

What is the function of tassels in the corn cob?
Match List I with List II:
 

List I

 

List II 

A.Oxidative decarboxylationI.Citrate synthase
B.Glycolysis II.Pyruvate dehydrogenase
C.Oxidative phosphorylationIII.Electron transport system
D.Tricarboxylic acid cycleIV.EMP pathway
Choose the correct answer from the options given below:
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: A flower is defined as modified shoot wherein the shoot apical meristem changes to floral meristem.
Reason R: Internode of the shoot gets condensed to produce different floral appendages laterally at successive node instead of leaves.
In the light of the above statements, choose the correct answer from the options given below:

Match List I with List II. 

 

List I

 

List II 

AP-waveIBeginning of systole 
BQ-waveIIRepolarisation of ventricles
CQRS complex IIIDepolarisation of atria
DT-waveIVDepolarisation of ventricles

Choose the correct answer from the options given below:

Given below are two statements:
Statement I: Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct.
Statement Il: The cavity of the cervix is called cervical canal which along with vagina forms birth canal.
In the light of the above statements, choose the correct answer from the options given below:
Which one of the following is NOT an advantage of inbreeding?
Which one of the following statements is NOT correct?
The phenomenon of pleiotropism refers to
Let f: R→R be a function such that \(f(x)=\frac{x^2+2x+1}{x^2+1}\). Then
the points P and Q are respectively the circumcentre and the orthocentre of a ΔABC, then \( \overrightarrow{PA}+ \overrightarrow{PB}+ \overrightarrow{PC}\)  is 
If the local maximum value of the function f( x )=\((\frac{√3e}{2 sin x} )^{ sin^2x}\) ,\(  x ∈ ( 0,\frac{π}{2} )\),  is \(\frac{k}{e}\), then \((\frac{k}{e})^8+\frac{k^8}{e^5}+k^8 \) is equal to