SPSC SST General Category Past Papers 2024 – Morning/Evening

Cell signaling is _____?

1. Intercellular
2. Intracellular
3. Both A and B
4. None of the above

The earliest recorded pandemic - the Black Death was speculated to be _____?

1. Bubonic Plague
2. Rabie
3. Leprosy
4. None of the above

In prokaryotic cell, Bacterial membranes are composed of?

1. Metabolic enzymes
2. Selectively permeable
3. Regulated the entry and exit of materials
4. Proteins and phospholipids

Which phage is used for phage display technique?

1. Coli (STEC)
2. M13
3. λ phage
4. None

Once the erythrocytes enter the blood in humans, it is estimated that they have an average lifetime of?

1. 10 days
2. 120 days
3. 200 days
4. 360 days

Which polymers of N-acetylglucosamine and N- Acetylmuramic acid are found in one of the following?

1. Mycoplasmas
2. Algae
3. Peptidoglycan
4. Spheroplast

The association of Endotoxin in gram-negative bacteria is due to the presence of?

1. Steroids
2. Peptidoglycan
3. Lipopolysaccharides
4. Polypeptide

Chlorosis in older leaves occurs due to the deficiency of?

1. Calcium
2. Magnesium
3. Sodium
4. Nitrogen

On the description of the proton, the new classification of acid and base was given by?

1. T. Lowry only
2. J.Dalton
3. Bronsted and T. Lowry
4. J. Bronsted only