MEDIUM
12th Uttar Pradesh Board
IMPORTANT
Earn 100

Apis mellifera are killer bees possessing toxic bee venom. Identify the treatment and the type of immunity developed from the given table to treat a person against the venom of this bee.
(a)
Remedy | Immunity |
Inactivated proteins | Active |
(b)
Remedy | Immunity |
Proteins of the venom | Passive |
(c)
Remedy | Immunity |
Preformed antibodies | Passive |
(d)
Remedy | Immunity |
Dead micro-organisms | Active |

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Important Questions on Sample Paper 1
MEDIUM
12th Uttar Pradesh Board
IMPORTANT

MEDIUM
12th Uttar Pradesh Board
IMPORTANT
Which of the following water samples in the table given below, will have a higher concentration of organic matter?
Water Sample | Level of pollution | Value of BOD |
(a) | High | High |
(b) | Low | Low |
(c) | Low | High |
(d) | High | Low |

MEDIUM
12th Uttar Pradesh Board
IMPORTANT
The figure below shows the structure of a plasmid.
A foreign DNA was ligated at BamH1. The transformants were then grown in a medium containing antibiotics tetracycline and ampicillin. Choose the correct observation for the growth of bacterial colonies from the given table
Medium with Tetracycline | Medium with Ampicillin | |
(a) | Growth | No growth |
(b) | No growth | Growth |
(c) | No growth | No growth |
(d) | Growth | Growth |

HARD
12th Uttar Pradesh Board
IMPORTANT

MEDIUM
12th Uttar Pradesh Board
IMPORTANT

MEDIUM
12th Uttar Pradesh Board
IMPORTANT

MEDIUM
12th Uttar Pradesh Board
IMPORTANT

MEDIUM
12th Uttar Pradesh Board
IMPORTANT
In the figure given below, parts A and B show the level of hormones which influence the menstrual cycle. Study the figure and answer the questions that follow:
Name the organs which secrete the hormones represented in parts A and B.
