Latest questions in this category.
Seed dormancy is an adaptive trait that prevents germination during unsuitable environmental conditions, ensuring seedling survival. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Sexual Reproduction in Flowering Plants, Topic: Pollination, fertilization and seed formation.
Mitochondria do not produce ribosomes; they produce ATP through llular respiration. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
Selaginella, a lycopsid pteridophyte, has small, simple leaves known as microphylls. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Plant Kingdom, Topic: Classification and salient features of plant groups.
Turner’s syndrome is caused by monosomy of the X chromosome (45, XO), leading to sterility and other developmental issues. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept.
Fungal ll walls are made of chitin, unlike plant ll walls, which are composed of llulose. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
Enhancers are DNA sequences that increase the rate of transcription by interacting with transcription factors. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
Edward’s syndrome is caused by trisomy of chromosome 18, leading to severe developmental issues. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
The region of meristematic activity consists of small, actively dividing lls responsible for root growth. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
The meristematic phase is characterized by active ll division, large nuclei, and thin primary ll walls. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
Aerobic respiration occurs in both the cytoplasm (glycolysis) and mitochondria (Krebs cycle and Electron Transport Chain), not just the cytoplasm. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Plant Physiology - Photosynthesis, Respiration and Plant Growth, Topic: Physiological processes and regulation.
Biodiversity is essential for ecosystem services, including pollination, soil fertility, water purification, and climate regulation. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
Overfishing and destructive fishing practices, such as blast fishing, are major causes of coral reef destruction. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.
