(d) Apis florae is known as little bee, Apis dorsata is known as rock bee and Apis cerana indica is known as Indian bee. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(d) Apis florae is known as little bee, Apis dorsata is known as rock bee and Apis cerana indica is known as Indian bee.
(c) Cross between two species is interspecific cross and between varieties is inter-varietal cross. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(c) Cross between two species is interspecific cross and between varieties is inter-varietal cross.
(c) Mixed cropping is growing of two or more crops simultaneously on the same piece of land. While growing of different crops on a piece of land in a pre-planned way is termed as crop rotation. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(c) Mixed cropping is growing of two or more crops simultaneously on the same piece of land. While growing of different crops on a piece of land in a pre-planned way is termed as crop rotation.
Which one of the following is not a cereal crop?
(a) All others are cereal crop. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(a) All others are cereal crop.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See lessWhich one is a source of protein?
(c) Lentil is a pulse while other options are cereals. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(c) Lentil is a pulse while other options are cereals.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See lessFind out the correct sentence about manure : (i) It increases the water holding capacity of sandy soil. (ii) It helps in draining out excess water from clayey soil. (iii) Manure contains large quantities of organic matter and small quantities of nutrients. (iv) Its excessive use pollutes environment as it is made of animal excretory waste.
(d) This is the correct answer. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(d) This is the correct answer.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See lessWhich one of the following is not a micro-nutrient for plants?
(b) All others are micro-nutrients. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(b) All others are micro-nutrients.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See lessWhich one of the following species of honey bee is an Italian species?
(d) Apis florae is known as little bee, Apis dorsata is known as rock bee and Apis cerana indica is known as Indian bee. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(d) Apis florae is known as little bee, Apis dorsata is known as rock bee and Apis cerana indica is known as Indian bee.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See lessFind out the correct sentence: (i) Cross between plants of two species is called intervarietal hybridisation. (ii) Cross between two varieties is called interspecific hybridisation. (iii) Hybridisation means crossing between genetically dissimilar plants. (iv) Introducing genes of desired character into a plant gives genetically modified crop.
(c) Cross between two species is interspecific cross and between varieties is inter-varietal cross. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(c) Cross between two species is interspecific cross and between varieties is inter-varietal cross.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See lessWhich one of the following is not a major activity for improving crop yield?
(d) Transportation of crops is not related to improvement of crop yield. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(d) Transportation of crops is not related to improvement of crop yield.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See lessAseel is a variety of
(c) Aseel is indigenous poultry breed. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(c) Aseel is indigenous poultry breed.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See lessGrowing two or more crops simultaneously on the same field in a definite pattern is called
(c) Mixed cropping is growing of two or more crops simultaneously on the same piece of land. While growing of different crops on a piece of land in a pre-planned way is termed as crop rotation. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(c) Mixed cropping is growing of two or more crops simultaneously on the same piece of land. While growing of different crops on a piece of land in a pre-planned way is termed as crop rotation.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See less