SPSC SST Past Papers BPS 16 with Answers 2024

Which of the following statements is true about cell signaling?

1. In plants the cell signaling occurs through phytohormones
2. Cell signaling is used to study the context of human diseases
3. Cell signaling is used to study the signaling between cells of an organism
4. All of the above

Which of the following CANNOT be transmitted via infectious droplets?

1. Rubella
2. Common cold Influenza
3. None of the above

Vitamin ______ is needed for the formation of a light-sensitive pigment in the retina.

1. A
2. B
3. C
4. D

______ is an important mineral nutrient.

1. Hydrogen
2. Nitrogen
3. Oxygen
4. Carbon

Which of the following hormones requires a cell surface receptor for its action?

1. Adrenaline
2. Progesterone
3. Growth factors
4. All of the above

Which of the following signal molecules is not used for extracellular signaling?

1. Autocrine
2. Endocrine
3. Cyclic AMP
4. None of the above

Which of the following nutrient deficiency causes megaloblastic anaemia?

1. Folic acid
2. Niacin
3. Pyridoxine
4. Cobalamin

____ is an important trace element.

1. Calcium
2. Iron
3. Zinc
4. Sodium

A "wild type" organism that does not need any additional growth supplement is known as?

1. Phenotype
2. Auxotroph
3. Autotroph
4. Prototroph

Variant Creutzfeldt-Jakob disease (vCJD) can be contracted only if ___?

1. Consume nerve tissues (brain and spine) of cattle infected with Mad cow disease
2. Consume shrimp infected with E.coli
3. Consume water tainted with E.coli
4. None of the above