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Showing posts with the label life science

Honeypot Ants: amazing ant who store honey in its abdomen

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The honey pot ant is a species of ant native to the deserts of Africa, Australia, and North America. In the United States, honey pot ants are commonly found in the deserts of New Mexico and Arizona. They get their name from their diet, which consists mainly of nectar and sweet plant fluids. Scientific classification Kingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Hymenoptera Family: Formicidae Subfamily: Formicinae Tribe: Lasiini Genus: Myrmecocystus Only some honey ants become “living larders.” They are part of the “worker” caste of honey ants. Other castes include soldiers, who protect the colony from predators; princesses and drones, who mate to form new colonies; and the queen—usually the mother of all other ants in the colony. Storage Like the worker ants, storage ants ingest honey, nectar and plant secretions, but instead of immediately feeding the other ants, the storage ants store the food within their enlarged abdomens. When food is scarce and worker ants cannot fin...

Classification of Plants mcqs

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  MCQ Questions on Plant Kingdom 1. Which plant kingdom can survive both on land and in the water? (a) Tracheophyta (b) Pteridophyta (c) Thallophyta (d) Bryophyta Answer: (d) Bryophyta 2. A plant that has seeds but no flowers and fruits? (a) Bryophytes (b) Gymnosperms (c) Mosses (d) Pteridophytes Answer: (b) Gymnosperms 3. Most primitive vascular plants? (a) Mosses (b) Cycads (c) Kelps (d) Ferns Answer: (d) Ferns 4. Angiosperms are the dominant flora because of (a) Domestication by man (b) Power of adapting in diverse habitats (c) Self-pollination property (d) Property of producing a large number of seeds Answer: (b) Power of adapting in diverse habitats 5. Plants reproducing by spores are grouped under (a) Bryophytes (b) Sporophytes (c) Cryptogams (d) Thallophytes Answer: (c) Cryptogams 6. Plants having vascular tissue without seeds (a) Angiosperm (b) Pteridophytes (c) Bryophytes (d) Gymnosperms Answer: (b) Pteridophytes 7. Double fertilization is the characteristic of (a) Algae (...

Hormones Quiz

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  10th Science : Plant and Animal Hormones Important Questions Choose the correct answer Q1. Identify the exocrine gland a) Pituitary gland b) Adrenal gland c) Salivary gland d) Thyroid gland Q2. Which one is referred as “Master Gland”? a) Pineal gland b) Pituitary gland c) Thyroid gland d) Adrenal gland Q3. Which organ acts as both exocrine gland as well as endocrine gland a) Pancreas b) Kidney   c) Liver   d) Lungs Q4.Diabetes insipidus is caused by reduced activity in a) Thyroid b) Anterior lobe of pituitary c) Intermediate pituitary lobe d) Posterior lobe of pituitary Q5. Table salt is often iodized for certain areas to prevent a) Scurvy b) Goitre c) Acromegaly d) Rickets Q6. Ovulation in mammals is caused by a) FSH and TSH b) FSH and LH c) FSH and LTH d) LTH and LH Fill in the blanks Q7. _______ causes cell elongation, apical dominance and prevents abscission. Q8. _________ causes stomatal closure. Q9. Calcium metabolism of the body is controlled by ___________. Q10. ...