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PPSC Lecturer of Botany Past Paper
PPSC Lecturer of Botany Past Paper

PPSC Lecturer of Botany Past Paper

PPSC Lecturer of Botany Past Paper

>> Severe deficiency of Vitamin D results in rickets.

>> People living in high altitudes (like mountains)

usually have a larger number of Red Blood Cells.

>> The average adult has a blood volume of about

5 liters.




>> The average internal temperature of human

body is 37 °C.

>> Vitamin-A is needed for the formation of a lightsensitive

pigment in the retina.

>> About 70% of the body weight of a mammal is

water.

>> On wound White Blood cells fight foreign

particles, like bacteria.

>> Blood is carried towards the heart by Veins.

>> Iron is essential for the formation of

haemoglobin.

>> Carbohydrates are needed as a source of energy

for the vital activities of the body.

>> Haemodialysis means cleaning of blood.

>> Production of sweat and sebum is related with

skin.

>> The evaporative cooling in the respiratory tract

of dogs is called panting.

>> Bacteria cause disease that can be treated with

antibiotics.

>> Most cell membranes are composed principally

of protein and lipids.

>> Normally, in the process of osmosis, the net

flow of water molecules into or out of the cell

depends upon differences in the concentration

of water molecules inside and outside the cell.

>> Sodium ions are “pumped” from a region of

lower concentration to a region of higher

concentration in the nerve cells of humans. This

process is an example of active transport.

>> Proteins are made from amino acids by the

process of dehydration synthesis.

>> Glucose is an organic compound found in most

cells.

>> Carbon, oxygen, hydrogen and nitrogen are the

four most abundant elements in living cells.

>> Starch is converted into maltose by diastase.

>> Co-enzyme is often formed from protein.

>> Messenger RNA is formed in nucleus.

>> 1 Number of chromosomes is in E.coli.

>> Protein factory is ribosome.

1) The spores in bryophytic plant represent the first cell of the:

(a) Gametophytic generation

(b) Sporophytic generation

(c) Asexual generation

(d) All of these

(e) None of these

(2) Algal members of classes Euglenophyceae and chlorophyceae are similar in the:

(a) Cell wall structure

(b) Reserve food

(c) Pigment composition

(d) Structure of flagella

(e) None of these

(3) Crystocarp is a structure developed after fertilization in:

(a) Blue green algae

(b) Actinomycetes

(c) Bryophetes

(d) Red algae

(e) None of these

(4) Rice belongs to family:

(a) Malvaceae

(b) Fabiaceae

(c) Solonaceae

(d) Poaceae

(e) None of these

(5) Gametophyte of fern is called:

(a) Prothallus

(b) Protocorm

(c) Thallus

(d) Gametangia

(e) None of these

(6) The sieve elements are major component of:

(a) Cambium

(b) Apical meristem

(c) Xylem

(d) Phloem

(e) None of these

(7) Which one of these is a parasite:

(a) Sunflower

(b) Begonia

(c) Biden

(d) Brasica

(e) None of these

(8) Sporophytic generation is borne upon gametophyte and is dependent on it. This feature is present in:

(a) Cycas

(b) Adiantam

(c) Equisetum

(d) All of these

(e) None of these

(9) Double fertilization is a typical characteristic of:

(a) Algae

(b) Fungi

(c) Bryophytes

(d) Angiosperm

(e) All of these

(10) Marchantia reproduces vegetatively by:

(a) Apospory

(b) Gemma Cup

(c) Budding

(d) All of these

(e) None of these

(11) Plant cell wall is composed of:

(a) Cellulose

(b) Polypeptides

(c) Phospholipids

(d) Starch

(e) None of these

(12) Stele in which primary vascular tissues are arranged in discrete strands around a pit is called:

(a) Prostele

(b) Radial stele

(c) Centric stele

(d) Eustele

(e) None of these

(13) In which the following edible part is obtained from the Rhizome:

(a) Potato

(b) Ginger

(c) Sugar beet

(d) Onion

(e) None of these

(14) Fertilization within an unopened flower is called:

(a) Cleistogramy

(b) Cleistocary

(c) Isogamy

(d) Oogamy

(e) None of these

(15) Meiosis takes place during:

(a) Gamete formation

(b) Zygote formation

(c) Cambium formation

(d) All of these

(e) None of these

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