262858
Viruses are no more "alive" than isolated chromosomes because: -
1 They require both RNA and DNA
2 They both need food molecules
3 They both require oxygen for respiration
4 Both require the environment of a cell to replicate
Explanation:
Exp. D It is difficult, viruses as live or non-living species. These viruses are inactive when outside host cells, but are active in host cells. Virus can replicate inside a host as in any other living organism. They do not have cellular machinery to replicate, so they are catching a living cell.
AIPMT-2003
Sexual Reproduction in Flowering Plants
262846
Seed formation without fertilization in flowering plants involves the process of
1 Apomixis
2 Sporulation
3 Budding
4 Somatic hybridization
Explanation:
Seed formation without fertilization in flowering plant is termed as agamospermy which comes under apomixis. Although seeds in general are the products of fertilization, a few flowering plant such as Asteraceae and grasses, have evolved this special mechanism. An apomixis is a form of asexual reproduction that mimics sexual reproduction.
NEET-2016 Phase-I
Sexual Reproduction in Flowering Plants
262848
Now-a-days agricultural practice is expensive to the farmers as they need to purchase hybrid seeds every year. Which of the following strategies can be employed to overcome this problem?
1 Production of Apomictic seeds
2 Parthenocarpy
3 Synthetic seeds
4 Conventional plant breeding
Explanation:
Conventional plant breeding is the development of cultivars using conservative tools for manipulating plant genome within the natural genetic boundaries. Hence, used to overcome the problem of hybrid seeds.
Karnataka CET-2019
Sexual Reproduction in Flowering Plants
262849
Nucellar polyembryony occurs in
1 Corchorus
2 Citrus
3 Carthamus
4 Zea mays
Explanation:
Nucellar polyembryony is a type of seed formation in which nucellar cells form many more embryos. Nucellus supply nutrition to the embryo. Nucellar polyembryony occurs in citrus family.
262858
Viruses are no more "alive" than isolated chromosomes because: -
1 They require both RNA and DNA
2 They both need food molecules
3 They both require oxygen for respiration
4 Both require the environment of a cell to replicate
Explanation:
Exp. D It is difficult, viruses as live or non-living species. These viruses are inactive when outside host cells, but are active in host cells. Virus can replicate inside a host as in any other living organism. They do not have cellular machinery to replicate, so they are catching a living cell.
AIPMT-2003
Sexual Reproduction in Flowering Plants
262846
Seed formation without fertilization in flowering plants involves the process of
1 Apomixis
2 Sporulation
3 Budding
4 Somatic hybridization
Explanation:
Seed formation without fertilization in flowering plant is termed as agamospermy which comes under apomixis. Although seeds in general are the products of fertilization, a few flowering plant such as Asteraceae and grasses, have evolved this special mechanism. An apomixis is a form of asexual reproduction that mimics sexual reproduction.
NEET-2016 Phase-I
Sexual Reproduction in Flowering Plants
262848
Now-a-days agricultural practice is expensive to the farmers as they need to purchase hybrid seeds every year. Which of the following strategies can be employed to overcome this problem?
1 Production of Apomictic seeds
2 Parthenocarpy
3 Synthetic seeds
4 Conventional plant breeding
Explanation:
Conventional plant breeding is the development of cultivars using conservative tools for manipulating plant genome within the natural genetic boundaries. Hence, used to overcome the problem of hybrid seeds.
Karnataka CET-2019
Sexual Reproduction in Flowering Plants
262849
Nucellar polyembryony occurs in
1 Corchorus
2 Citrus
3 Carthamus
4 Zea mays
Explanation:
Nucellar polyembryony is a type of seed formation in which nucellar cells form many more embryos. Nucellus supply nutrition to the embryo. Nucellar polyembryony occurs in citrus family.
262858
Viruses are no more "alive" than isolated chromosomes because: -
1 They require both RNA and DNA
2 They both need food molecules
3 They both require oxygen for respiration
4 Both require the environment of a cell to replicate
Explanation:
Exp. D It is difficult, viruses as live or non-living species. These viruses are inactive when outside host cells, but are active in host cells. Virus can replicate inside a host as in any other living organism. They do not have cellular machinery to replicate, so they are catching a living cell.
AIPMT-2003
Sexual Reproduction in Flowering Plants
262846
Seed formation without fertilization in flowering plants involves the process of
1 Apomixis
2 Sporulation
3 Budding
4 Somatic hybridization
Explanation:
Seed formation without fertilization in flowering plant is termed as agamospermy which comes under apomixis. Although seeds in general are the products of fertilization, a few flowering plant such as Asteraceae and grasses, have evolved this special mechanism. An apomixis is a form of asexual reproduction that mimics sexual reproduction.
NEET-2016 Phase-I
Sexual Reproduction in Flowering Plants
262848
Now-a-days agricultural practice is expensive to the farmers as they need to purchase hybrid seeds every year. Which of the following strategies can be employed to overcome this problem?
1 Production of Apomictic seeds
2 Parthenocarpy
3 Synthetic seeds
4 Conventional plant breeding
Explanation:
Conventional plant breeding is the development of cultivars using conservative tools for manipulating plant genome within the natural genetic boundaries. Hence, used to overcome the problem of hybrid seeds.
Karnataka CET-2019
Sexual Reproduction in Flowering Plants
262849
Nucellar polyembryony occurs in
1 Corchorus
2 Citrus
3 Carthamus
4 Zea mays
Explanation:
Nucellar polyembryony is a type of seed formation in which nucellar cells form many more embryos. Nucellus supply nutrition to the embryo. Nucellar polyembryony occurs in citrus family.
NEET Test Series from KOTA - 10 Papers In MS WORD
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Sexual Reproduction in Flowering Plants
262858
Viruses are no more "alive" than isolated chromosomes because: -
1 They require both RNA and DNA
2 They both need food molecules
3 They both require oxygen for respiration
4 Both require the environment of a cell to replicate
Explanation:
Exp. D It is difficult, viruses as live or non-living species. These viruses are inactive when outside host cells, but are active in host cells. Virus can replicate inside a host as in any other living organism. They do not have cellular machinery to replicate, so they are catching a living cell.
AIPMT-2003
Sexual Reproduction in Flowering Plants
262846
Seed formation without fertilization in flowering plants involves the process of
1 Apomixis
2 Sporulation
3 Budding
4 Somatic hybridization
Explanation:
Seed formation without fertilization in flowering plant is termed as agamospermy which comes under apomixis. Although seeds in general are the products of fertilization, a few flowering plant such as Asteraceae and grasses, have evolved this special mechanism. An apomixis is a form of asexual reproduction that mimics sexual reproduction.
NEET-2016 Phase-I
Sexual Reproduction in Flowering Plants
262848
Now-a-days agricultural practice is expensive to the farmers as they need to purchase hybrid seeds every year. Which of the following strategies can be employed to overcome this problem?
1 Production of Apomictic seeds
2 Parthenocarpy
3 Synthetic seeds
4 Conventional plant breeding
Explanation:
Conventional plant breeding is the development of cultivars using conservative tools for manipulating plant genome within the natural genetic boundaries. Hence, used to overcome the problem of hybrid seeds.
Karnataka CET-2019
Sexual Reproduction in Flowering Plants
262849
Nucellar polyembryony occurs in
1 Corchorus
2 Citrus
3 Carthamus
4 Zea mays
Explanation:
Nucellar polyembryony is a type of seed formation in which nucellar cells form many more embryos. Nucellus supply nutrition to the embryo. Nucellar polyembryony occurs in citrus family.
