Anthesis is a phenomenon that refers to:

1. formation of pollen

2. Development of anther

3. Opening of a flower bud

4. Reception of pollen by stigma

One set of a plant was grown at 12 hours day and 12 hours night period cycles and it flowered while in the other set, the night phase was interrupted by a flash of light and it did not produce a flower. Under which one of the following categories will you place this plant?

1. Darkness neutral

2. Day neutral

3. Short day

4. Long day

Lead concentration in blood is considered alarming if it is:

1. 30 µg/100 ml
2. 4-6 µg/100 ml
3. 10 µg/100 ml
4. 20 µg/100 ml 

In which one of the following enzymes, is copper necessarily associated as an activator:

DNA fingerprinting refers to:

Flagella of prokaryotic and eukaryotic cells differ in:

The animals with bilateral symmetry in the young stage and radial pentamerous symmetry in the adult stage, belong to the phylum:

In Arthropoda, the head and thorax are often fused to form a cephalothorax, but in which one of the following classes, is the body divided into head, thorax, and abdomen?

1. Myriapoda

2. Crustacea

3. Arachnida and Crustacea

4. Insecta 

During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG, then the nucleotide sequence in the mRNA would be:

1. TCTGG

2. UAUGC

3. UATGC

4. TATGC

In C₃ plants, the first stable product of photosynthesis during the dark reaction is:

1. Oxaloacetic acid

2. 3-phosphoglyceric acid

3. Phosphoglyceraldehyde

4. Malic acid