List of top Zoology Questions

Study the following and pick up the correct combinations: \begin{center} \begin{tabular}{|c|l|l|l|} \hline S.No. & Organ & Sympathetic Nervous System & Parasympathetic Nervous System
\hline I) & Eyes & Pupil constricts & Pupil dilates
\hline II) & Blood vessels & Constricts & Dilates
\hline III) & Digestive tract & Inhibits peristalsis & Increases peristalsis
\hline IV) & Pancreas & Stimulates activity & Inhibits activity
\hline \end{tabular} \end{center}

This hominoid is more ape like.

Assertion (A): Sertoli cells provide nourishment to developing sperm cells.
Reason (R): Sertoli cells secrete testosterone.
Identify the correct option from the following

Correct sequence of electrical impulse transmission in the human heart is
A) Purkinje fibres
B) Atrio ventricular node
C) Sino Atrial node
D) Bundle branches
E) Bundle of His

The Karyotype AA + XXY leads to

Gynaecomastia is a symptom of

Study the following and identify the correct combinations

Match the following

Study the following statements and identify the correct combinations :

Taxonomic hierarchy includes the following obligate categories:
Class, Family, Kingdom, Order, Species, Phylum, Genus
Arrange them in correct sequence.

Identify the flatworms among the following non-chordate animals:

I. Euspongia
II. Aurelia
III. Beroe
IV. Taenia
V. Wuchereria
VI. Convoluta

These structures of human heart are functional in embryonic stage, but are non functional in adult stage.

Cells primarily involved in humoral immunity are

Pick the incorrect match.

Study the following regarding types of flagellae and identify the correct statements
Statements:
I. Stichonematic flagellae possess a single row of lateral appendages.
II. Pantonematic flagellae are completely devoid of mastigonemes.
III. Acronematic flagellae have a naked terminal part of the axoneme.
IV. Pantacronematic flagellae are completely devoid of terminal naked filament.

Assertion (A) : Genetic drift always increases genetic diversity in small populations.
Reason (R) : Founder effect and Bottleneck effect exemplify the genetic drift.
Identify the correct option from the following

Pick up the mononuclear phagocyte.

Which of the following statements about competition are correct?
I) The competitive exclusion principle states that species with identical niches can coexist indefinitely.
II) Resource partitioning reduces competition by allowing species to use resources differently.
III) Unrelated species can compete, if they rely on the same unlimited resources.
IV) Competitive release occurs when a species expands its niche after a competitor's removal.