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Q:

Which among the following is respiratory pigment in human beings?

A) Melanin B) Haemoglobin
C) Rhodopsin D) Bilirubin
 
Answer & Explanation Answer: B) Haemoglobin

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Q:

The most active phagocytic cells among the leukocytes are

A) neutrophils and monocytes B) monocytes and lymphocytes
C) basophils and eosinophils D) lymphocytes and neutrophils
 
Answer & Explanation Answer: A) neutrophils and monocytes

Explanation:

The most active phagocytic cells among the leukocytes (White Blood Cells) are neutrophils and monocytes.

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Q:

What are the organs similar in basic structure/shape, modified to perform different functions called?

A) Analogous organs B) Homologous organs
C) Heterogeneous organs D) Homogenous organs
 
Answer & Explanation Answer: B) Homologous organs

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Q:

Which one reveals, more appropriately, functioning of the heart?

A) Electrocardiogram B) Echocardiogram
C) Stethoscope D) Lipid profile
 
Answer & Explanation Answer: B) Echocardiogram

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Q:

Human blood platelets releases ___ which helps in clotting of blood.

A) Prothrombin B) Fibrin
C) Fructose D) Sucrose
 
Answer & Explanation Answer: A) Prothrombin

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Q:

Which type of pathogen causes the water­borne disease Salmonellosis?

A) Algal B) Parasitic
C) Bacterial D) Viral
 
Answer & Explanation Answer: C) Bacterial

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Q:

_____ are a group of chemicals that influence cell division and shoot formation.

A) Cytokinins B) Gibberellins
C) Domins D) Auxins
 
Answer & Explanation Answer: A) Cytokinins

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Q:

Identify a type of asexual reproduction which involves reproduction through parts of a plant such as roots, stem and leaves?

A) Budding B) Vegetative propagation
C) Fragmentation D) Fission
 
Answer & Explanation Answer: A) Budding

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