List of top Zoology Questions

In certain species of salamanders, male-female pairs have multiple mating partners in a breeding season. Which one of the following terminologies accurately describes this mating system?
CREB1 is a eukaryotic transcription factor. In which one of the following compartments of the cell is CREB1 predominantly localized?
Which of the following event(s) occur(s) during translation in prokaryotes?
Match the plant products in Group 1 with the plant species in Group 2 that produce them and the respective plant parts in Group 3 where they accumulate the most.
Group 1Group 2
(P) Protocooperation(i) One species is harmed but the other is neither harmed nor benefitted
(Q) Commensalism (ii) A type of mutualism where one species is  benefitted more than the other
(R) Amensalism (iii)Both the species are benefitted but the interaction between them is not obligatory
(S) Helotism (iv) One species is benefitted without harming the other 
Match the inhibitors in Group 1 with their respective targets in Group 2.
Group 1 Group 2
(P) VirG(i) Kinase
(Q) VirA(ii) Helicase
(R) VirE(iii) Transcriptional activator
(S) VirC(iv) Single strand binding protein
Factor H, a complement regulatory protein in plasma, binds C3b and
In Michaelis-Menten's equation, if \([S] = 15 K_m\), then the ratio \( v_0/V_{max} \) is ____ (Round off to three decimal places).
Which one or more of the following statements correctly describe(s) the changes upon the addition of puromycin during eukaryotic translation?
In mammals, hematopoietic stem cells that give rise to different types of blood cells are known as
Factor H, a complement regulatory protein in plasma, binds C3b and
Which one or more of the following statements correctly describe(s) the changes upon the addition of puromycin during eukaryotic translation?
In mammals, hematopoietic stem cells that give rise to different types of blood cells are known as
Choose the common characters shown by the animals of classes Scyphozoa and Anthozoa
A. Mesoglea is non-cellular with amoebocytes
B. Cnidocytes occur in ectoderm and endoderm
C. Germ cells are derived from endoderm
D. Coelenteron is undivided
The enzyme present in sweat, saliva and tears is
In eucoelomates the mesoderm comes into contact with endoderm of alimentary canal to form gizzard and stomach. This is referred to as
The evolutionary force that reduces the genetic variation by removing low frequency alleles
In Chloroplast chlorophyll is present in ___
Identify the correct option
Statement – I: Excessive dosage of cocaine causes hallucinations
Statement – II: Intake of cocaine does not cause euphoria
Assertion (A): Mary Mallon was nicknamed as 'Typhoid Mary'.
Reason (R): Mary Mallon spread typhoid for several years through the food she prepared.
The incorrect statement for subspecies
The connecting link between reptiles and mammals is:
Identify the correct option
Statement – I : Alzheimer’s disease is most common in people above 65 years of age.
Statement – II : It is caused by loss of neurons and loss of memory.
Assertion (A): The alkaline cerebrospinal fluid is recycled four times per day.
Reason (R): Recycling of cerebrospinal fluid facilitates the removal of metabolites and toxins from brain.
Identify the incorrect statement among the following
The equation which explains relation of species–area on logarithmic scale