OnlineCBT Logo OnlineCBT
⚲
English
OnlineCBT Logo OnlineCBT
⚲

Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

In which of the following families do pollen grains retain their viability for several months after being shed?

  1. Poaceae, Solanaceae and Fabaceae
  2. Rosaceae, Leguminosae and Solanaceae
  3. Poaceae, Rosaceae and Liliaceae
  4. Brassicaceae, Poaceae and Solanaceae

Correct answer · Option 2

Rosaceae, Leguminosae and Solanaceae

Explanation

According to NCERT, in some cereals such as rice and wheat (Poaceae), pollen grains lose viability within 30 minutes, whereas members of Rosaceae, Leguminosae, and Solanaceae maintain viability for months.

Related questions

Consider the following statements regarding seeds: Statement I: Albuminous seeds retain a part of the endosperm as it is not completely consumed during embryo development. Statement II: In non-albuminous seeds such as castor and maize, the endosperm is completely consumed during embryo development. In the light of the above statements, choose the correct answer:→Read the following statements about pollination by water: Statement I: Pollination by water is quite common in flowering plants and occurs in over 200 genera of both dicots and monocots. Statement II: The distribution of some bryophytes and pteridophytes is limited because of the requirement of water for transport of male gametes and fertilisation. Choose the correct option:→In the given three-dimensional cut section of an anther, which structure is responsible for the release of pollen grains upon maturity?→In angiosperms, what is the primary biological significance of the delay in zygote division until a certain amount of endosperm has developed?→
ऑनलाइन कंप्यूटर आधारित परीक्षा

हमारा मिशन है – "विद्यार्थियों को शिक्षित करना और उन्हें प्रतिस्पर्धी परीक्षाओं की तैयारी में उनकी पूर्ण क्षमता के साथ उत्कृष्टता प्राप्त करने में सहायता करना। साथ ही उनमें अच्छे संस्कारों का संचार करना और उनके व्यक्तित्व का विकास करना।"

उपयोगी लिंक
महत्वपूर्ण पेज
कोर्सेज और अभ्यास
संपर्क करें
पता

प्लॉट नं. 10, धोलीगुमटी, पंडितपुरा रोड, बंदीकुई, दौसा (राजस्थान) – 303313

संपर्क करें

+91 7877547686

 ई-मेल

onlinecbtportal@gmail.com

 हेल्पलाइन नंबर

+91 7877547686
साझा करें
डाउनलोड करने के लिए क्लिक करें
Get it on Google Play

ऐप डाउनलोड करने
के लिए Google Play पर
उपलब्ध है

उपयोग की शर्तें | गोपनीयता नीति | कुकी नीति | अस्वीकरण | संपादकीय नीति | तथ्य जांच | सुधार | DMCA | विज्ञापन विकल्प

Copyright © 2026 - OnlineCBT.in. All Rights Reserved.

WhatsApp Chat