Question 1 :
Ovary in a tomato flower had numerous ovules but fruit had only 40 seeds at maturity. The remaining ovules were
Question 2 :
Reproductive health in society can be improved by - <br>(i) Introduction of sex education in schools.<br> (ii) Increased medical assistance.<br> (iii) Awareness about contraception and STDs. <br>(iv) Equal opportunities to male and female child. <br>(v) Ban on aminocentesis.<br> (vi) Encouraging myths and misconceptions.
Question 3 :
The linking of antibiotic resistance gene with the plasmid vector became possible with
Question 5 :
Match Column-I with Column-II and select the correct answer from the codes given below.<br> <table><tr><th>Column-I </th><th>Column-II</th></tr><tr><td>A.Trichoderma</td><td>(i)Nitrification </td></tr><tr><td>B.Streptomyces</td><td>(ii)Biocontrol agent</td></tr><tr><td>C.Nitrosomonas</td><td>(iii)Lacticacid </td></tr> <tr><td>D.Lactobacillus</td><td>(iv)Source of antibiotic</td></tr></table>
Question 6 :
The joint in our neck which allows us to rotate our head left to right is
Question 7 :
The greatest biomass of autotrophs in the oceans is that of
Question 9 :
The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eye, is a derivative of
Question 10 :
DNA or RNA segment tagged with a radioactive molecule is called
Question 11 :
Which pathway of the male reproductive system is correct for the sperms transportation?
Question 12 :
'Bundle of His' is a part of which one of the following organs in humans?
Question 13 :
Tying up or removing a small part of fallopian duct is called
Question 14 :
A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs just after the formation of zygote. The adult filament of the alga has :- -
Question 15 :
A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This {tex} \mathrm { O } _ { 2 } {/tex}
Question 17 :
To avoid excessive water loss during severe drought stress, the closure of stomata is signalled by the production of
Question 18 :
Three crops that contribute maximum to global food grain production are
Question 20 :
The sensation of fatigue in the muscles after prolonged strenuous physical work, is caused by
Question 26 :
The reaction rate of salivary amylase on starch decreases as the concentration of chloride ions is reduced. Which of the following describes the role of the chloride ions?
Question 27 :
A gene pair hides the effect of another gene. The phenomenon is
Question 29 :
Which one of the following techniques made it possible to genetically engineer living organism?
Question 30 :
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells)
Question 31 :
Cell elongation in internodal regions of the green plants takes place due to
Question 32 :
The enzyme required for the conduction of nerve impulse across synapse is:
Question 33 :
The technique used for estimation of minute amounts of hormones and drugs is called
Question 37 :
The given figure shows the regions of root tip with labelling as {tex} \mathrm { A } , \mathrm { B } {/tex} and {tex} \mathrm { C } {/tex}. Choose the option which shows the correct labelling of {tex} \mathrm { A } , \mathrm { B } {/tex} and {tex} \mathrm { C } {/tex}.<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5f04253bdb8ffd11230390e9"><br>
Question 38 :
External gills, tracheae, and lungs all share which of the following sets of characteristics?
Question 40 :
The {tex} \mathrm { Km } {/tex} value of the enzyme is the value of the substrate concentration at which the reaction reaches to
Question 41 :
Pre-messenger RNAs must be processed in the nucleus in order to
Question 42 :
During {tex} \mathrm { Na } ^ { + } - \mathrm { K } ^ { + } {/tex} pump
Question 43 :
During cell division, sometimes there will be failure of separation of sister chromatids. This event is called
Question 44 :
A plant tissue when stained showed the presence of hemicellulose and pectin in cells wall of its cells. The tissue is called
Question 45 :
Which hormone interacts with the membrane-bound receptors and does not normally enter the target cell?