MCQ
The biological agents of disease include
- AMinerals, vitamins, proteins and carbohydrates
- ✓Viruses, bacteria, fungi, helminths and other organisms
- CHeat, cold, humidity pressure, radiations
- DAll the above
✓
Answer
Correct option: B.
Viruses, bacteria, fungi, helminths and other organisms
b
It’s obvious.
It’s obvious.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The human brain is divided into forebrain, midbrain and hindbrain. Select correct option which contain only correct option :
(i) The cerebral cortes contains motor areas, sensory areas and large association areas.
(ii) Association areas are clearly sensory and motor in function and it related with complex functions like inter sensory associations, memory and communication.
(iii) Thalamus is a major coordinating centre for sensory and motor signalling.
(iv) The hypothalamus contains a number of centres which control body temperature, urge for eating and drinking.
(v) The inner parts of cerebral hemispheres, amygdala, hippocampus, etc., form a complex structure called the limbic lobe or limbic system.
(vi) Along with the hypothalamus, limbic system is involved in the regulation of sexual behaviour, expression of emotional reactions and motivation.
(vii) A canal called the cerebral aqueduct passes through the hindbrain.
(viii) The medulla contains centres which control respiration, cardiovascular reflexes and gastric secretions.
(i) The cerebral cortes contains motor areas, sensory areas and large association areas.
(ii) Association areas are clearly sensory and motor in function and it related with complex functions like inter sensory associations, memory and communication.
(iii) Thalamus is a major coordinating centre for sensory and motor signalling.
(iv) The hypothalamus contains a number of centres which control body temperature, urge for eating and drinking.
(v) The inner parts of cerebral hemispheres, amygdala, hippocampus, etc., form a complex structure called the limbic lobe or limbic system.
(vi) Along with the hypothalamus, limbic system is involved in the regulation of sexual behaviour, expression of emotional reactions and motivation.
(vii) A canal called the cerebral aqueduct passes through the hindbrain.
(viii) The medulla contains centres which control respiration, cardiovascular reflexes and gastric secretions.
The principle nitrogenous excretory compound in humans is synthesized
Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction
Match the following column.
→$\begin{array}{|p{0.3\linewidth}|p{0.6\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline (a)\,\,Lymphocytes & (I)\,\,Responsible\,\,for\,\,the\,\,immune\,\,responses\,\,of\,\,the\,\,body \\ \hline (b)\,\,Monocytes & (II)\,\,Are\,\,the\,\,agranulocytes \\ \hline (c)\,\,Neutrophiles & (III)\,\,Most\,\,abundant\,\,cells\,\,of\,\,the\,\,total\,\,WBCs. \\ \hline (d)\,\,Basophiles & (IV)\,\,Inflammatory\,\,reactions \\ \hline \end{array}$
Which is correct about human brain
Functions of seminal fluid is/are
Match the following columns.
→| Column-I | Column- II |
| $(A)$ Hepatitis$-B$ | $(1)$ $HIV$ |
| $(B)$ $AIDS$ | $(2)$ $HBV$ |
| $(C)$ Genital worts | $(3)$ $HPV$ |
The figure given below shows the sectional view of ovary. Select the option which gives correct identification of marked structure ( $A$ to $D$ ) and its feature.
→In cockroach head can move in all directions due to
The hormone which brings about characteristic changes in the male at puberty is called