0

Zoology - 5 (B. Sc. Agriculture)

Attempted 0/15 Correct 0 Score 0

Which of the following is not a protozoan infection?

  1. Cryptosporidiosis

  2. Cyclosporiasis

  3. Giardiasis

  4. None of these


Correct Option: D
Explanation:

All of the above are protozoan related infections.

The nodular bones inserted in tendons and joint capsules are

  1. flat

  2. irregular

  3. pneumatic

  4. sesamoid


Correct Option: D
Explanation:

These bones are in the form of nodules inserted in tendons and joint capsules. The most common examples are patella, pisiform and fabella.

Which one of the following enzymes is added in many detergents that helps to remove proteinaceous stains from clothes?

  1. Alcalase

  2. Xylanase

  3. Peroxidase

  4. Catalase


Correct Option: D

What is the scientific name of cockroach?

  1. Palamnaeus

  2. Periplanta

  3. Musca

  4. Palaemon

  5. Apis


Correct Option: B
Explanation:

Yes, it is correct. It is the scientific name of cockroach.

The term new systematics was introduced by

  1. Linnaeus

  2. Theophrastus

  3. Bentham & Hooker

  4. Huxley


Correct Option: D
Explanation:

 The term new systematics was introduced by Huxely. In new systematics the species are considered related to one and another, mutable and show gradual modification.

Just like butterflies, mosquitoes show the four basic stages: egg, larva, pupa and

  1. anopheles

  2. imago

  3. culex

  4. chrysalids


Correct Option: B
Explanation:

The four life stages of mosquito: embryo, larva, pupa and imago.

Chitin as an exoskeleton is found in

  1. periplaneta

  2. ascaris

  3. pheretima

  4. hydra

  5. amoeba


Correct Option: A

The anticoagulant of fresh water leech is

  1. hirudin

  2. heparin

  3. sodium citrate

  4. chelating agent


Correct Option: A

When two genes are situated very close to each other in a chromosome,

  1. the percentage of crossing over between them is very high

  2. hardly any crossing over is detected

  3. only double crossovers take place between them

  4. no crossing over can take place between them


Correct Option: D
Explanation:

No crossing over can take place between them.

Which of the following hormones is related with growth?

  1. Testosterone

  2. Thyroxin

  3. Oestrogen

  4. Adrenalin


Correct Option: B
Explanation:

Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones. Hence, the hormone is related with growth.

Silkworm spins silk filaments during the _____ stage.

  1. egg

  2. larva

  3. cocoon

  4. adult


Correct Option: C

Which of the following is a genetic disorder?

  1. Typhoid

  2. Malaria

  3. Sickle cell anaemia

  4. Night blindness


Correct Option: C
Explanation:

Sickle cell anaemia is a genetic disorder caused due to fault in haemoglobin protein expression.

Insects belong to the phylum

  1. Mollusca

  2. Chordata

  3. Arthropoda

  4. Annelida


Correct Option: C
Explanation:

Insects belong to the phylum Arthopoda.

RBCs is also known as _____.

  1. erythrocytes

  2. leucocytes

  3. thrombocytes

  4. plasma


Correct Option: A

The science of improving the genetic constitution of the gene pool is known as

  1. palindrome

  2. euphenics

  3. eugenics

  4. none of the above


Correct Option: C
Explanation:

Eugenics is the set of beliefs and practices which aims at improving the genetic quality of the human population.

- Hide questions