Biology - MOST IMPORTANT Haryana PCS Previous Year Questions

Pigment containing and light reflecting cells are :

The biologist who discovered the scientific function of cells in 1665 was :

Which of the following statements regarding asexual reproductive structures in fungi and Simple Plants is/are TRUE?

1. Zoospores are flagellated motile spores produced inside parent cell called zoosporangium.
2. Conidia are non-motile spores produced singly or in chains by constrictions at the tip or laterally on special hyphal branches called conidiophores.
3. Gemmules are endogenous buds that are simply a copy of parent nucleus with a small amount of cytoplasm and a protective covering around.

Consider the following statements:
Statement I : The blood arteries have thick rigid walls.
Statement II : Arteries carry oxygen-rich blood from heart to various body organs under high pressure.

In the light of the above statement, choose the correct answer from the option given below:

Consider the following statements: During Urine formation which of the following substances are selectively reabsorbed from the initial filtrate?

1. Glucose
2. Amino Acid
3. Salts
4. Water
   How many of the statement given above are correct?

Emetophobia is the fear of :

A patient suffering from stomach pain and indigestion was advised by the doctor to take probiotics. The probiotics help to:

Which of the following test is approved by Indian Council of Medical Research & does not require sample from nose or throat?

Consider the following statements:
Which of the following plant hormones helps in promoting growth in plants?

1. Auxins
2. Gibberellins
3. Cytokinins
4. Abscisic Acid
   How many of the statements given above are correct?

Which of the following statements about the Parasite is/are TRUE?

1. Dodder is a plant parasite, which has special sucking roots called haustoria for absorption of food from the host plant.
2. Dodder is a vine-like parasitic plant and is essentially leafless.
3. Many species of Dodder cause weed problem in the horticulture industry.
4. Once the Dodder plant gets attached itself to the host plant it loses its root system.

Touching a flame is an urgent and dangerous situation and we drag our hands involuntarily. This fast reaction is attributable to which of the following structure of the nervous system? 1. Spinal Cord 2. Motor Neuron 3. Brain 4. Sensory neuron

Consider the following statements: Statement-I: The length of the small intestine differs in various animals depending on the food they eat. Statement-II: Herbivores need a longer small intestine to allow the cellulose to be digested. How many of the statements given above are correct?

Mastitis in animals is due to—

Consider the following statement regarding diabetes:

1. It is caused by the over secretion of insulin by pancreas.
2. The glucose level increases in the blood.
3. The patient urinates frequently, loses weight and becomes lethargic.
   How many of the statements given above are correct?

Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belongs to:

Consider the following statements:
Anaerobic breakdown of glucose in cell results in formation of which of the following compounds?

1. Ethanol
2. Lactic Acid
3. Carbon dioxide
4. ATP
   How many of the statement given above are correct?

Match the diseases listed in Column 'A' with their symptoms in Column 'B' and select the correct option.
Column-A
(i) Typhoid fever
(ii) Cholera
(iii) Tuberculosis
(iv) Chicken pox

Column-B
A. Persistent cough, low grade fever and loss of weight
B. High fever, stomach pain, skin rash
C. Fever, loss of appetite, red spots or scabs
D. Rice water stools, nausea, vomiting

Consider the following statements:
During Urine formation which of the following substances are selectively reabsorbed from the initial filtrate?

1. Glucose
2. Amino Acid
3. Salts
4. Water
   How many of the statement given above are correct?