Biodiversity
BIOXII15: BIODIVERSITY AND CONSERVATION

344909 Presently, ____ per cent of all bird species, ____ per cent of all mammal species, ____ per cent of all amphibian species and____ per cent of all gymnosperm species in the world face the threat of extinction.

1 \(23,12,32,31\)
2 \(12,31,23,32\)
3 \(12,23,32,31\)
4 \(23,32,12,31\)
BIOXII15: BIODIVERSITY AND CONSERVATION

344910 The whole plant & animal sps will become extinct which their associate sps. disappears. It is a phenomenon called

1 Co-evolution
2 Co-existeance
3 Co-extinction
4 Co-operative mechanism
BIOXII15: BIODIVERSITY AND CONSERVATION

344912 Loss of biodiversity in a region may lead to
(a) Decline in plant production
(b) Increased resistance to environmental perturbations such as drought
(c) Increased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles
(d) Lowered resistance to environmental perturbations such as drought
(e) Decreased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles

1 a, b, c
2 a, c, d
3 a, c, e
4 a, b, e
BIOXII15: BIODIVERSITY AND CONSERVATION

344913 Statement A :
The illegal introduction of the African catfish
Clarias gariepinus
for aquaculture purposes is posing a threat to the indigenous catfishes in our rivers.
Statement B :
Invasive weed species like wheat grass (
Parthenium
),
Lantana
and water hyacinth (
Eicchornia
) are creating huge problems.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII15: BIODIVERSITY AND CONSERVATION

344909 Presently, ____ per cent of all bird species, ____ per cent of all mammal species, ____ per cent of all amphibian species and____ per cent of all gymnosperm species in the world face the threat of extinction.

1 \(23,12,32,31\)
2 \(12,31,23,32\)
3 \(12,23,32,31\)
4 \(23,32,12,31\)
BIOXII15: BIODIVERSITY AND CONSERVATION

344910 The whole plant & animal sps will become extinct which their associate sps. disappears. It is a phenomenon called

1 Co-evolution
2 Co-existeance
3 Co-extinction
4 Co-operative mechanism
BIOXII15: BIODIVERSITY AND CONSERVATION

344912 Loss of biodiversity in a region may lead to
(a) Decline in plant production
(b) Increased resistance to environmental perturbations such as drought
(c) Increased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles
(d) Lowered resistance to environmental perturbations such as drought
(e) Decreased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles

1 a, b, c
2 a, c, d
3 a, c, e
4 a, b, e
BIOXII15: BIODIVERSITY AND CONSERVATION

344913 Statement A :
The illegal introduction of the African catfish
Clarias gariepinus
for aquaculture purposes is posing a threat to the indigenous catfishes in our rivers.
Statement B :
Invasive weed species like wheat grass (
Parthenium
),
Lantana
and water hyacinth (
Eicchornia
) are creating huge problems.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXII15: BIODIVERSITY AND CONSERVATION

344909 Presently, ____ per cent of all bird species, ____ per cent of all mammal species, ____ per cent of all amphibian species and____ per cent of all gymnosperm species in the world face the threat of extinction.

1 \(23,12,32,31\)
2 \(12,31,23,32\)
3 \(12,23,32,31\)
4 \(23,32,12,31\)
BIOXII15: BIODIVERSITY AND CONSERVATION

344910 The whole plant & animal sps will become extinct which their associate sps. disappears. It is a phenomenon called

1 Co-evolution
2 Co-existeance
3 Co-extinction
4 Co-operative mechanism
BIOXII15: BIODIVERSITY AND CONSERVATION

344912 Loss of biodiversity in a region may lead to
(a) Decline in plant production
(b) Increased resistance to environmental perturbations such as drought
(c) Increased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles
(d) Lowered resistance to environmental perturbations such as drought
(e) Decreased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles

1 a, b, c
2 a, c, d
3 a, c, e
4 a, b, e
BIOXII15: BIODIVERSITY AND CONSERVATION

344913 Statement A :
The illegal introduction of the African catfish
Clarias gariepinus
for aquaculture purposes is posing a threat to the indigenous catfishes in our rivers.
Statement B :
Invasive weed species like wheat grass (
Parthenium
),
Lantana
and water hyacinth (
Eicchornia
) are creating huge problems.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
BIOXII15: BIODIVERSITY AND CONSERVATION

344909 Presently, ____ per cent of all bird species, ____ per cent of all mammal species, ____ per cent of all amphibian species and____ per cent of all gymnosperm species in the world face the threat of extinction.

1 \(23,12,32,31\)
2 \(12,31,23,32\)
3 \(12,23,32,31\)
4 \(23,32,12,31\)
BIOXII15: BIODIVERSITY AND CONSERVATION

344910 The whole plant & animal sps will become extinct which their associate sps. disappears. It is a phenomenon called

1 Co-evolution
2 Co-existeance
3 Co-extinction
4 Co-operative mechanism
BIOXII15: BIODIVERSITY AND CONSERVATION

344912 Loss of biodiversity in a region may lead to
(a) Decline in plant production
(b) Increased resistance to environmental perturbations such as drought
(c) Increased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles
(d) Lowered resistance to environmental perturbations such as drought
(e) Decreased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles

1 a, b, c
2 a, c, d
3 a, c, e
4 a, b, e
BIOXII15: BIODIVERSITY AND CONSERVATION

344913 Statement A :
The illegal introduction of the African catfish
Clarias gariepinus
for aquaculture purposes is posing a threat to the indigenous catfishes in our rivers.
Statement B :
Invasive weed species like wheat grass (
Parthenium
),
Lantana
and water hyacinth (
Eicchornia
) are creating huge problems.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.