PPSC solved paper of Lecturer Botany (BPS-17)

The spores in the Bryophytic plants represent the first cell of the
Gametophytic Generation

Plants expressing foreign genes introduced by genetic engineering are called
Transgenes

An association of species in which both partners benefit is called
Mutualism

Autotrophs are primary producers in the
Food Chain

A Multiprotein complex that comprises ATPase in the thylakoid membrane is
CF0-CF1

Set of conditions in which an organism complete its life cycle is
Habitat

Exchange of genetic material between two paired chromosome during meiosis is
None of these

Free space in tissue comprising cell wall and inter-cellular spaces
Apoplast

Chromosome compliment with 2n-1 is called
Monosomy

Plants shedding their leaves seasonally are called
Deciduous

Climatically and geographically similar conditions on the earth are called
Biotope

Vernalization is process in which flowering is promoted by the
Cold treatment

Which of the following contains its own DNA
Mytochondria

In chlorophyll four rings of pyrolle forming a complex with the
Mg-atom

Plants growing inside other plant are called
Endophytes

Chlorophyll d exists in the
Rhodophyta

An antibiotic called "Chlorellin" derived from the
Chlorella

Because of extracting _____________ from water and depositing it in their walls, different species of Chara referring to as "Stone Worts"
Calcium carbonate

Puccinia graminis caused __________ in wheat
Black or stem rust

Double fertilization is the characteristic of the
Angiosperms

NADH from the Kreb's cycle approximately equals to the
3 ATP

In mitochondrial electron transport chain, the final c acceptor is
H2O

The movement of water from cell to cell via plasmadesmata is called
Apoplast

In maize plant the CO2 fixation mechanism is called
C4 pathway

Salt loving plants are known as
Halophytes

With the addition of solution to the liquid system, the water potential of the system
Remian stable

The conversion of the pyruvate into acetyl C0.A is called
Glycolysis

Between Adenine and thymine there are
2 hydrogen bonds

The stage of meiosis in which pairing of homologous chromosome starts is called
Zygotene

A site of the chromosome on which gene is located is called
Locus

In a dihybrid cross the ratio of the F2 is
9:3:3:1

When a single gene has multiple effects the phenomenon is called
Pleiotropy

Lamarck's theory of evolution is published in the
1809

The book "origin of species" was written by the
Darwin

The interaction between algae and fungi to form lichen is called
Mutalism

The actual place or location where an organism lives is called
Habitat

Which of the biomes has been increased in area by human activities
Desert

Which zone of the lake ecosystem consists of Phyto and Zoo Planktons
Limnetic zone

Which of the following is the biotic component of the ecosystem
All of these

Pappus found in the compositae is the modification of the
Calyx

In malvaceae androecium is characteristically
Monadelphous

The first phylogenetic system of plant classification was proposed by the
None of these

The fruit of mango is
Drupe

Fungal spores produced asexually at tip or side of hyphae are called
Conidia

Damping off disease is caused by the
Pythium

Obliquely placed ovary is present in the family
Solanaceae

Gynobasic style arises from the base of the ovary. This is the characteristic of the family
Labiate

Columella is present is the sporangium of
Rhizopus

Which of the following disease is caused by the fungus
Rust of Wheat

Target Board effect is caused by the
Alternaria

Penicillin was extracted by the
Flemming

The sieve elements are the major components of the
Phloem

The gametes taking part in sexual reproduction of rhizopus are
Multinucleate

Blue green algae is common name of the
Cyanophycemae